From 0eaddeb63356e0a7f315df0eaf7e047668ef0e8a Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 00:54:50 +0530
Subject: [PATCH 1/7] Add fletch framework implementation

---
 frameworks/fletch/.dockerignore   |   2 +
 frameworks/fletch/Dockerfile      |  23 ++
 frameworks/fletch/bin/server.dart | 351 ++++++++++++++++++++++++++++++
 frameworks/fletch/meta.json       |  21 ++
 frameworks/fletch/pubspec.lock    | 285 ++++++++++++++++++++++++
 frameworks/fletch/pubspec.yaml    |  14 ++
 6 files changed, 696 insertions(+)
 create mode 100644 frameworks/fletch/.dockerignore
 create mode 100644 frameworks/fletch/Dockerfile
 create mode 100644 frameworks/fletch/bin/server.dart
 create mode 100644 frameworks/fletch/meta.json
 create mode 100644 frameworks/fletch/pubspec.lock
 create mode 100644 frameworks/fletch/pubspec.yaml

diff --git a/frameworks/fletch/.dockerignore b/frameworks/fletch/.dockerignore
new file mode 100644
index 00000000..05d02950
--- /dev/null
+++ b/frameworks/fletch/.dockerignore
@@ -0,0 +1,2 @@
+.dart_tool/
+pubspec.lock
diff --git a/frameworks/fletch/Dockerfile b/frameworks/fletch/Dockerfile
new file mode 100644
index 00000000..51ff1c42
--- /dev/null
+++ b/frameworks/fletch/Dockerfile
@@ -0,0 +1,23 @@
+# Stage 1 — AOT compile the Dart server
+FROM dart:stable AS build
+
+WORKDIR /app
+COPY pubspec.yaml ./
+RUN dart pub get
+
+COPY . .
+RUN dart compile exe bin/server.dart -o bin/server
+
+# Stage 2 — Minimal runtime image
+FROM debian:bookworm-slim
+
+# The Dart sqlite3 FFI loader looks for libsqlite3.so (unversioned), so we
+# install the -dev package to ensure that soname symlink exists.
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends libsqlite3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=build /app/bin/server /server
+
+EXPOSE 8080
+CMD ["/server"]
diff --git a/frameworks/fletch/bin/server.dart b/frameworks/fletch/bin/server.dart
new file mode 100644
index 00000000..d25b9a58
--- /dev/null
+++ b/frameworks/fletch/bin/server.dart
@@ -0,0 +1,351 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:isolate';
+import 'dart:typed_data';
+
+import 'package:fletch/fletch.dart';
+import 'package:logger/logger.dart';
+import 'package:postgres/postgres.dart';
+import 'package:sqlite3/sqlite3.dart';
+
+const _mimeTypes = <String, String>{
+  '.css': 'text/css',
+  '.js': 'application/javascript',
+  '.html': 'text/html',
+  '.woff2': 'font/woff2',
+  '.svg': 'image/svg+xml',
+  '.webp': 'image/webp',
+  '.json': 'application/json',
+};
+
+// Pre-computed once; reused on every request that needs an empty result.
+final _emptyJson = Uint8List.fromList(utf8.encode('{"items":[],"count":0}'));
+
+class _StaticFile {
+  final Uint8List data;
+  final String contentType;
+  const _StaticFile(this.data, this.contentType);
+}
+
+Future<void> main() async {
+  final n = Platform.numberOfProcessors;
+  for (var i = 1; i < n; i++) {
+    await Isolate.spawn(_run, null);
+  }
+  await _run(null);
+}
+
+Future<void> _run(dynamic _) async {
+  final jsonResponseBytes = _buildJsonResponseBytes();
+  final gzipResponseBytes = _buildGzipResponseBytes();
+  final staticFiles = _loadStaticFiles();
+  final sqliteDb = _openSqlite();
+
+  // Prepared statement — avoids re-parsing SQL on every /db request.
+  final sqliteStmt = sqliteDb?.prepare(
+    'SELECT id, name, category, price, quantity, active, tags,'
+    ' rating_score, rating_count'
+    ' FROM items WHERE price BETWEEN ? AND ? LIMIT 50',
+  );
+
+  // Postgres pool — populated after listen() so startup is never blocked.
+  Pool? pgPool;
+  Future<Pool?>? pgPoolConnectInFlight;
+  DateTime? pgLastConnectAttempt;
+  const pgRetryInterval = Duration(milliseconds: 500);
+
+  Future<Pool?> ensurePgPool() async {
+    final current = pgPool;
+    if (current != null) return current;
+
+    final inFlight = pgPoolConnectInFlight;
+    if (inFlight != null) return inFlight;
+
+    final now = DateTime.now();
+    final lastAttempt = pgLastConnectAttempt;
+    if (lastAttempt != null && now.difference(lastAttempt) < pgRetryInterval) {
+      return null;
+    }
+    pgLastConnectAttempt = now;
+
+    final connectFuture = _openPostgresPool().then((pool) {
+      if (pool != null) pgPool = pool;
+      return pool;
+    }).whenComplete(() {
+      pgPoolConnectInFlight = null;
+    });
+    pgPoolConnectInFlight = connectFuture;
+    return connectFuture;
+  }
+
+  Future<void> resetPgPool() async {
+    final oldPool = pgPool;
+    pgPool = null;
+    if (oldPool != null) {
+      try {
+        await oldPool.close();
+      } catch (_) {}
+    }
+  }
+
+  final app = Fletch(
+    requestTimeout: null,
+    secureCookies: false,
+    sessionSecret: 'httparena-bench-secret-key-fletch32!',
+    maxBodySize: 100 * 1024 * 1024,
+    maxFileSize: 100 * 1024 * 1024,
+    // Cookie parsing is unused in the benchmark; skip that middleware hop.
+    useCookieParser: false,
+    logger: Logger(level: Level.off),
+  );
+
+  app.get('/pipeline', (req, res) {
+    res.text('ok');
+  });
+
+  app.get('/baseline11', (req, res) {
+    var sum = 0;
+    for (final v in req.query.values) {
+      final n = int.tryParse(v);
+      if (n != null) sum += n;
+    }
+    res.text('$sum');
+  });
+
+  app.post('/baseline11', (req, res) async {
+    var sum = 0;
+    for (final v in req.query.values) {
+      final n = int.tryParse(v);
+      if (n != null) sum += n;
+    }
+    final body = await req.body;
+    if (body != null) {
+      final s = body is String
+          ? body.trim()
+          : utf8.decode(body as List<int>).trim();
+      final n = int.tryParse(s);
+      if (n != null) sum += n;
+    }
+    res.text('$sum');
+  });
+
+  app.get('/json', (req, res) {
+    res.bytes(jsonResponseBytes, contentType: 'application/json');
+  });
+
+  // Use Content-Length header when available — avoids buffering the entire
+  // upload body just to count bytes, which matters for large payloads.
+  app.post('/upload', (req, res) async {
+    final cl = req.httpRequest.contentLength;
+    if (cl >= 0) {
+      res.text('$cl');
+      return;
+    }
+    // Fallback for chunked transfers: buffer and count.
+    final body = await req.body;
+    int size = 0;
+    if (body is Uint8List) {
+      size = body.length;
+    } else if (body is String) {
+      size = utf8.encode(body).length;
+    } else if (body is List<int>) {
+      size = body.length;
+    }
+    res.text('$size');
+  });
+
+  app.get('/compression', (req, res) {
+    res.bytes(gzipResponseBytes, contentType: 'application/json');
+    res.setHeader('Content-Encoding', 'gzip');
+  });
+
+  app.get('/static/:filename', (req, res) {
+    final sf = staticFiles[req.params['filename']!];
+    if (sf == null) {
+      res.setStatus(404);
+    } else {
+      res.bytes(sf.data, contentType: sf.contentType);
+    }
+  });
+
+  app.get('/db', (req, res) {
+    if (sqliteStmt == null) {
+      stderr.writeln('[db] sqliteStmt is null — sqlite3 may not have loaded');
+      res.bytes(_emptyJson, contentType: 'application/json');
+      return;
+    }
+    final minVal = double.tryParse(req.query['min'] ?? '') ?? 10.0;
+    final maxVal = double.tryParse(req.query['max'] ?? '') ?? 50.0;
+    try {
+      final rows = sqliteStmt.select([minVal, maxVal]);
+      final items = rows
+          .map((row) => {
+                'id': row['id'],
+                'name': row['name'],
+                'category': row['category'],
+                'price': row['price'],
+                'quantity': row['quantity'],
+                'active': row['active'] == 1,
+                'tags': jsonDecode(row['tags'] as String),
+                'rating': {
+                  'score': row['rating_score'],
+                  'count': row['rating_count'],
+                },
+              })
+          .toList();
+      res.bytes(
+        utf8.encode(jsonEncode({'items': items, 'count': items.length})),
+        contentType: 'application/json',
+      );
+    } catch (e, st) {
+      stderr.writeln('[db] error: $e\n$st');
+      res.bytes(_emptyJson, contentType: 'application/json');
+    }
+  });
+
+  app.get('/async-db', (req, res) async {
+    final pool = await ensurePgPool();
+    if (pool == null) {
+      res.bytes(_emptyJson, contentType: 'application/json');
+      return;
+    }
+    final minVal = double.tryParse(req.query['min'] ?? '') ?? 10.0;
+    final maxVal = double.tryParse(req.query['max'] ?? '') ?? 50.0;
+    try {
+      final result = await pool.execute(
+        r'SELECT id, name, category, price, quantity, active, tags,'
+        r' rating_score, rating_count'
+        r' FROM items WHERE price BETWEEN $1 AND $2 LIMIT 50',
+        parameters: [minVal, maxVal],
+      );
+      final items = result.map((row) {
+        final cols = row.toColumnMap();
+        final tagsRaw = cols['tags'];
+        final tags =
+            tagsRaw is List ? tagsRaw : jsonDecode(tagsRaw as String);
+        return {
+          'id': cols['id'],
+          'name': cols['name'],
+          'category': cols['category'],
+          'price': cols['price'],
+          'quantity': cols['quantity'],
+          'active': cols['active'],
+          'tags': tags,
+          'rating': {
+            'score': cols['rating_score'],
+            'count': cols['rating_count'],
+          },
+        };
+      }).toList();
+      res.bytes(
+        utf8.encode(jsonEncode({'items': items, 'count': items.length})),
+        contentType: 'application/json',
+      );
+    } catch (_) {
+      await resetPgPool();
+      res.bytes(_emptyJson, contentType: 'application/json');
+    }
+  });
+
+  // Bind first — server is reachable immediately.
+  await app.listen(8080, shared: true);
+
+  // Kick off async-db pool warmup, but keep lazy retries in request path.
+  unawaited(ensurePgPool());
+}
+
+// ---------------------------------------------------------------------------
+// Data helpers
+// ---------------------------------------------------------------------------
+
+Uint8List _buildJsonResponseBytes() {
+  try {
+    final raw =
+        jsonDecode(File('/data/dataset.json').readAsStringSync()) as List;
+    final items = raw.map(_mapItem).toList();
+    return utf8.encode(jsonEncode({'items': items, 'count': items.length}));
+  } catch (_) {
+    return _emptyJson;
+  }
+}
+
+Uint8List _buildGzipResponseBytes() {
+  try {
+    final raw =
+        jsonDecode(File('/data/dataset-large.json').readAsStringSync()) as List;
+    final items = raw.map(_mapItem).toList();
+    final jsonBytes =
+        utf8.encode(jsonEncode({'items': items, 'count': items.length}));
+    return Uint8List.fromList(GZipCodec(level: 1).encode(jsonBytes));
+  } catch (_) {
+    return Uint8List.fromList(GZipCodec(level: 1).encode(_emptyJson));
+  }
+}
+
+Map<String, dynamic> _mapItem(dynamic d) => {
+      'id': d['id'],
+      'name': d['name'],
+      'category': d['category'],
+      'price': d['price'],
+      'quantity': d['quantity'],
+      'active': d['active'],
+      'tags': d['tags'],
+      'rating': d['rating'],
+      'total':
+          ((d['price'] as num) * (d['quantity'] as num) * 100).round() / 100,
+    };
+
+Map<String, _StaticFile> _loadStaticFiles() {
+  final result = <String, _StaticFile>{};
+  try {
+    for (final entity in Directory('/data/static').listSync()) {
+      if (entity is! File) continue;
+      final name = entity.uri.pathSegments.last;
+      final ext = name.contains('.') ? '.${name.split('.').last}' : '';
+      result[name] = _StaticFile(
+        entity.readAsBytesSync(),
+        _mimeTypes[ext] ?? 'application/octet-stream',
+      );
+    }
+  } catch (_) {}
+  return result;
+}
+
+Database? _openSqlite() {
+  try {
+    return sqlite3.open('/data/benchmark.db', mode: OpenMode.readOnly);
+  } catch (e) {
+    stderr.writeln('[sqlite] failed to open: $e');
+    return null;
+  }
+}
+
+Future<Pool?> _openPostgresPool() async {
+  final dbUrl = Platform.environment['DATABASE_URL'];
+  if (dbUrl == null) return null;
+  try {
+    final uri = Uri.parse(dbUrl);
+    final userInfo = uri.userInfo.split(':');
+    final endpoint = Endpoint(
+      host: uri.host,
+      port: uri.port > 0 ? uri.port : 5432,
+      database: uri.path.substring(1),
+      username: userInfo[0],
+      password: userInfo.length > 1 ? userInfo[1] : '',
+    );
+    // 4 connections per isolate; with N isolates total = 4N concurrent queries.
+    final pool = Pool.withEndpoints(
+      [endpoint],
+      settings: const PoolSettings(
+        sslMode: SslMode.disable,
+        maxConnectionCount: 4,
+      ),
+    );
+    // Warm up one connection to catch auth/config errors early.
+    await pool.execute('SELECT 1');
+    return pool;
+  } catch (_) {
+    return null;
+  }
+}
diff --git a/frameworks/fletch/meta.json b/frameworks/fletch/meta.json
new file mode 100644
index 00000000..f9f94dbd
--- /dev/null
+++ b/frameworks/fletch/meta.json
@@ -0,0 +1,21 @@
+{
+  "display_name": "Fletch",
+  "language": "Dart",
+  "engine": "dart:io",
+  "type": "framework",
+  "description": "Express-inspired HTTP framework for Dart with radix-tree routing, middleware chains, signed sessions, and built-in DI.",
+  "repo": "https://github.com/kartikey321/fletch",
+  "enabled": true,
+  "tests": [
+    "baseline",
+    "pipelined",
+    "limited-conn",
+    "json",
+    "upload",
+    "compression",
+    "noisy",
+    "mixed",
+    "static",
+    "async-db"
+  ]
+}
diff --git a/frameworks/fletch/pubspec.lock b/frameworks/fletch/pubspec.lock
new file mode 100644
index 00000000..32c31f1c
--- /dev/null
+++ b/frameworks/fletch/pubspec.lock
@@ -0,0 +1,285 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.13.1"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  buffer:
+    dependency: transitive
+    description:
+      name: buffer
+      sha256: "389da2ec2c16283c8787e0adaede82b1842102f8c8aae2f49003a766c5c6b3d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.3"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      sha256: fb0f1107cac15a5ea6ef0a6ef71a807b9e4267c713bb93e00e92d737cc8dbd8a
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.19.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  fletch:
+    dependency: "direct main"
+    description:
+      name: fletch
+      sha256: "373f6be6c32e253eee43bfde712e2b22a484acb97d989b6eb0e6ee0e9916c796"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  get_it:
+    dependency: transitive
+    description:
+      name: get_it
+      sha256: "568d62f0e68666fb5d95519743b3c24a34c7f19d834b0658c46e26d778461f66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.2.1"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
+  logger:
+    dependency: "direct main"
+    description:
+      name: logger
+      sha256: "25aee487596a6257655a1e091ec2ae66bc30e7af663592cc3a27e6591e05035c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.19"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: df0c643f44ad098eb37988027a8e2b2b5a031fd3977f06bbfd3a76637e8df739
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.2"
+  mime:
+    dependency: "direct main"
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "978783255c543aa3586a1b3c21f6e9d720eb315376a915872c61ef8b5c20177d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.2"
+  postgres:
+    dependency: "direct main"
+    description:
+      name: postgres
+      sha256: fefbbfe749c6130e5096588b9c4459173684c695952cd7636ab19be76f255469
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.5.9"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      sha256: ea0b925899e64ecdfbf9c7becb60d5b50e706ade44a85b2363be2a22d88117d2
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.2"
+  sqlite3:
+    dependency: "direct main"
+    description:
+      name: sqlite3
+      sha256: "3145bd74dcdb4fd6f5c6dda4d4e4490a8087d7f286a14dee5d37087290f0f8a2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.9.4"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.11"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  uri:
+    dependency: transitive
+    description:
+      name: uri
+      sha256: "889eea21e953187c6099802b7b4cf5219ba8f3518f604a1033064d45b1b8268a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: "1fef9e8e11e2991bb773070d4656b7bd5d850967a2456cfc83cf47925ba79489"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.3"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.6.1"
+sdks:
+  dart: ">=3.9.0 <4.0.0"
diff --git a/frameworks/fletch/pubspec.yaml b/frameworks/fletch/pubspec.yaml
new file mode 100644
index 00000000..e0683f23
--- /dev/null
+++ b/frameworks/fletch/pubspec.yaml
@@ -0,0 +1,14 @@
+name: httparena_fletch
+description: Fletch HTTP framework — HttpArena benchmark server
+version: 1.0.0
+publish_to: none
+
+environment:
+  sdk: '>=3.6.0 <4.0.0'
+
+dependencies:
+  fletch: ^2.2.0
+  postgres: ^3.0.0
+  sqlite3: ^2.4.0
+  logger: ^2.5.0
+

From c80967d07cd71b68b59074405597ffa50a9716ca Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 01:05:03 +0530
Subject: [PATCH 2/7] Bump dependencies and update Docker build for sqlite3 3.x

---
 frameworks/fletch/Dockerfile   |  6 +--
 frameworks/fletch/pubspec.lock | 72 ++++++++++++++++++++++++++++++++--
 frameworks/fletch/pubspec.yaml |  5 +--
 3 files changed, 73 insertions(+), 10 deletions(-)

diff --git a/frameworks/fletch/Dockerfile b/frameworks/fletch/Dockerfile
index 51ff1c42..f7b6cb28 100644
--- a/frameworks/fletch/Dockerfile
+++ b/frameworks/fletch/Dockerfile
@@ -6,7 +6,7 @@ COPY pubspec.yaml ./
 RUN dart pub get
 
 COPY . .
-RUN dart compile exe bin/server.dart -o bin/server
+RUN dart build cli --target bin/server.dart --output /app/build
 
 # Stage 2 — Minimal runtime image
 FROM debian:bookworm-slim
@@ -17,7 +17,7 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends libsqlite3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-COPY --from=build /app/bin/server /server
+COPY --from=build /app/build/bundle /server
 
 EXPOSE 8080
-CMD ["/server"]
+CMD ["/server/bin/server"]
diff --git a/frameworks/fletch/pubspec.lock b/frameworks/fletch/pubspec.lock
index 32c31f1c..37258a7c 100644
--- a/frameworks/fletch/pubspec.lock
+++ b/frameworks/fletch/pubspec.lock
@@ -49,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: "83ccdaa064c980b5596c35dd64a8d3ecc68620174ab9b90b6343b753aa721687"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   collection:
     dependency: transitive
     description:
@@ -73,6 +81,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   fixnum:
     dependency: transitive
     description:
@@ -97,6 +113,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "9.2.1"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: e79ed1e8e1929bc6ecb6ec85f0cb519c887aa5b423705ded0d0f2d9226def388
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   http:
     dependency: transitive
     description:
@@ -121,6 +153,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.7.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
   matcher:
     dependency: transitive
     description:
@@ -138,13 +178,21 @@ packages:
     source: hosted
     version: "1.18.2"
   mime:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: mime
       sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  native_toolchain_c:
+    dependency: transitive
+    description:
+      name: native_toolchain_c
+      sha256: "6ba77bb18063eebe9de401f5e6437e95e1438af0a87a3a39084fbd37c90df572"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.17.6"
   path:
     dependency: transitive
     description:
@@ -177,6 +225,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.5.9"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
   quiver:
     dependency: transitive
     description:
@@ -197,10 +253,10 @@ packages:
     dependency: "direct main"
     description:
       name: sqlite3
-      sha256: "3145bd74dcdb4fd6f5c6dda4d4e4490a8087d7f286a14dee5d37087290f0f8a2"
+      sha256: caa693ad15a587a2b4fde093b728131a1827903872171089dedb16f7665d3a91
       url: "https://pub.dev"
     source: hosted
-    version: "2.9.4"
+    version: "3.2.0"
   stack_trace:
     dependency: transitive
     description:
@@ -281,5 +337,13 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.6.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
 sdks:
-  dart: ">=3.9.0 <4.0.0"
+  dart: ">=3.10.0 <4.0.0"
diff --git a/frameworks/fletch/pubspec.yaml b/frameworks/fletch/pubspec.yaml
index e0683f23..03d10bf3 100644
--- a/frameworks/fletch/pubspec.yaml
+++ b/frameworks/fletch/pubspec.yaml
@@ -4,11 +4,10 @@ version: 1.0.0
 publish_to: none
 
 environment:
-  sdk: '>=3.6.0 <4.0.0'
+  sdk: '>=3.10.0 <4.0.0'
 
 dependencies:
   fletch: ^2.2.0
   postgres: ^3.0.0
-  sqlite3: ^2.4.0
+  sqlite3: ^3.2.0
   logger: ^2.5.0
-

From 601cce1e7d40a5717f21a10a199b309e81fb3940 Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 01:21:05 +0530
Subject: [PATCH 3/7] Compute json and gzip responses per request

---
 frameworks/fletch/bin/server.dart | 47 ++++++++++++++++---------------
 1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/frameworks/fletch/bin/server.dart b/frameworks/fletch/bin/server.dart
index d25b9a58..bbf5c006 100644
--- a/frameworks/fletch/bin/server.dart
+++ b/frameworks/fletch/bin/server.dart
@@ -37,8 +37,8 @@ Future<void> main() async {
 }
 
 Future<void> _run(dynamic _) async {
-  final jsonResponseBytes = _buildJsonResponseBytes();
-  final gzipResponseBytes = _buildGzipResponseBytes();
+  final jsonDataset = _loadDataset('/data/dataset.json');
+  final compressionDataset = _loadDataset('/data/dataset-large.json');
   final staticFiles = _loadStaticFiles();
   final sqliteDb = _openSqlite();
 
@@ -131,7 +131,15 @@ Future<void> _run(dynamic _) async {
   });
 
   app.get('/json', (req, res) {
-    res.bytes(jsonResponseBytes, contentType: 'application/json');
+    if (jsonDataset == null) {
+      res.bytes(_emptyJson, contentType: 'application/json');
+      return;
+    }
+    final items = jsonDataset.map(_mapItem).toList();
+    res.bytes(
+      utf8.encode(jsonEncode({'items': items, 'count': items.length})),
+      contentType: 'application/json',
+    );
   });
 
   // Use Content-Length header when available — avoids buffering the entire
@@ -156,7 +164,16 @@ Future<void> _run(dynamic _) async {
   });
 
   app.get('/compression', (req, res) {
-    res.bytes(gzipResponseBytes, contentType: 'application/json');
+    if (compressionDataset == null) {
+      res.bytes(Uint8List.fromList(GZipCodec(level: 1).encode(_emptyJson)),
+          contentType: 'application/json');
+      res.setHeader('Content-Encoding', 'gzip');
+      return;
+    }
+    final items = compressionDataset.map(_mapItem).toList();
+    final jsonBytes = utf8.encode(jsonEncode({'items': items, 'count': items.length}));
+    final gzipBytes = Uint8List.fromList(GZipCodec(level: 1).encode(jsonBytes));
+    res.bytes(gzipBytes, contentType: 'application/json');
     res.setHeader('Content-Encoding', 'gzip');
   });
 
@@ -259,27 +276,11 @@ Future<void> _run(dynamic _) async {
 // Data helpers
 // ---------------------------------------------------------------------------
 
-Uint8List _buildJsonResponseBytes() {
+List<dynamic>? _loadDataset(String path) {
   try {
-    final raw =
-        jsonDecode(File('/data/dataset.json').readAsStringSync()) as List;
-    final items = raw.map(_mapItem).toList();
-    return utf8.encode(jsonEncode({'items': items, 'count': items.length}));
+    return jsonDecode(File(path).readAsStringSync()) as List;
   } catch (_) {
-    return _emptyJson;
-  }
-}
-
-Uint8List _buildGzipResponseBytes() {
-  try {
-    final raw =
-        jsonDecode(File('/data/dataset-large.json').readAsStringSync()) as List;
-    final items = raw.map(_mapItem).toList();
-    final jsonBytes =
-        utf8.encode(jsonEncode({'items': items, 'count': items.length}));
-    return Uint8List.fromList(GZipCodec(level: 1).encode(jsonBytes));
-  } catch (_) {
-    return Uint8List.fromList(GZipCodec(level: 1).encode(_emptyJson));
+    return null;
   }
 }
 

From d3f75bf47011737b1b9bd96c8c8c4f66d1533680 Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 02:06:49 +0530
Subject: [PATCH 4/7] Add WORKERS override and optimize baseline query parsing

---
 frameworks/fletch/bin/server.dart | 33 ++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/frameworks/fletch/bin/server.dart b/frameworks/fletch/bin/server.dart
index bbf5c006..19f9c8e6 100644
--- a/frameworks/fletch/bin/server.dart
+++ b/frameworks/fletch/bin/server.dart
@@ -29,7 +29,11 @@ class _StaticFile {
 }
 
 Future<void> main() async {
-  final n = Platform.numberOfProcessors;
+  final envWorkers = int.tryParse(Platform.environment['WORKERS'] ?? '');
+  final n = (envWorkers != null && envWorkers > 0)
+      ? envWorkers
+      : Platform.numberOfProcessors;
+  stderr.writeln('[boot] workers=$n');
   for (var i = 1; i < n; i++) {
     await Isolate.spawn(_run, null);
   }
@@ -105,20 +109,12 @@ Future<void> _run(dynamic _) async {
   });
 
   app.get('/baseline11', (req, res) {
-    var sum = 0;
-    for (final v in req.query.values) {
-      final n = int.tryParse(v);
-      if (n != null) sum += n;
-    }
+    final sum = _sumQueryInts(req.query);
     res.text('$sum');
   });
 
   app.post('/baseline11', (req, res) async {
-    var sum = 0;
-    for (final v in req.query.values) {
-      final n = int.tryParse(v);
-      if (n != null) sum += n;
-    }
+    var sum = _sumQueryInts(req.query);
     final body = await req.body;
     if (body != null) {
       final s = body is String
@@ -297,6 +293,21 @@ Map<String, dynamic> _mapItem(dynamic d) => {
           ((d['price'] as num) * (d['quantity'] as num) * 100).round() / 100,
     };
 
+int _sumQueryInts(Map<String, String> query) {
+  final a = query['a'];
+  final b = query['b'];
+  if (a != null && b != null && query.length == 2) {
+    return (int.tryParse(a) ?? 0) + (int.tryParse(b) ?? 0);
+  }
+
+  var sum = 0;
+  for (final v in query.values) {
+    final n = int.tryParse(v);
+    if (n != null) sum += n;
+  }
+  return sum;
+}
+
 Map<String, _StaticFile> _loadStaticFiles() {
   final result = <String, _StaticFile>{};
   try {

From a9554cb92ddb72be90780265dda3121d34ed98c0 Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 02:07:41 +0530
Subject: [PATCH 5/7] Revert "Add WORKERS override and optimize baseline query
 parsing"

This reverts commit d3f75bf47011737b1b9bd96c8c8c4f66d1533680.
---
 frameworks/fletch/bin/server.dart | 33 +++++++++++--------------------
 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/frameworks/fletch/bin/server.dart b/frameworks/fletch/bin/server.dart
index 19f9c8e6..bbf5c006 100644
--- a/frameworks/fletch/bin/server.dart
+++ b/frameworks/fletch/bin/server.dart
@@ -29,11 +29,7 @@ class _StaticFile {
 }
 
 Future<void> main() async {
-  final envWorkers = int.tryParse(Platform.environment['WORKERS'] ?? '');
-  final n = (envWorkers != null && envWorkers > 0)
-      ? envWorkers
-      : Platform.numberOfProcessors;
-  stderr.writeln('[boot] workers=$n');
+  final n = Platform.numberOfProcessors;
   for (var i = 1; i < n; i++) {
     await Isolate.spawn(_run, null);
   }
@@ -109,12 +105,20 @@ Future<void> _run(dynamic _) async {
   });
 
   app.get('/baseline11', (req, res) {
-    final sum = _sumQueryInts(req.query);
+    var sum = 0;
+    for (final v in req.query.values) {
+      final n = int.tryParse(v);
+      if (n != null) sum += n;
+    }
     res.text('$sum');
   });
 
   app.post('/baseline11', (req, res) async {
-    var sum = _sumQueryInts(req.query);
+    var sum = 0;
+    for (final v in req.query.values) {
+      final n = int.tryParse(v);
+      if (n != null) sum += n;
+    }
     final body = await req.body;
     if (body != null) {
       final s = body is String
@@ -293,21 +297,6 @@ Map<String, dynamic> _mapItem(dynamic d) => {
           ((d['price'] as num) * (d['quantity'] as num) * 100).round() / 100,
     };
 
-int _sumQueryInts(Map<String, String> query) {
-  final a = query['a'];
-  final b = query['b'];
-  if (a != null && b != null && query.length == 2) {
-    return (int.tryParse(a) ?? 0) + (int.tryParse(b) ?? 0);
-  }
-
-  var sum = 0;
-  for (final v in query.values) {
-    final n = int.tryParse(v);
-    if (n != null) sum += n;
-  }
-  return sum;
-}
-
 Map<String, _StaticFile> _loadStaticFiles() {
   final result = <String, _StaticFile>{};
   try {

From 82e5d9645837cdeb13f9133646f4230e62ecff1c Mon Sep 17 00:00:00 2001
From: kartikey321 <kartikeymahawar1234@gmail.com>
Date: Mon, 30 Mar 2026 12:25:13 +0530
Subject: [PATCH 6/7] fix: use nproc to match isolate count to cgroup CPU quota
 Platform.numberOfProcessors reads the host's total CPU count and ignores the
 --cpus=N Docker limit Same pattern used by
 node/express/fastify/bun/elysia/workerman.

---
 .../fletch/.dart_tool/package_config.json     | 274 +++++++++++++
 .../fletch/.dart_tool/package_graph.json      | 370 ++++++++++++++++++
 frameworks/fletch/Dockerfile                  |   4 +-
 frameworks/fletch/bin/server.dart             |   9 +-
 frameworks/fletch/entrypoint.sh               |   5 +
 5 files changed, 659 insertions(+), 3 deletions(-)
 create mode 100644 frameworks/fletch/.dart_tool/package_config.json
 create mode 100644 frameworks/fletch/.dart_tool/package_graph.json
 create mode 100644 frameworks/fletch/entrypoint.sh

diff --git a/frameworks/fletch/.dart_tool/package_config.json b/frameworks/fletch/.dart_tool/package_config.json
new file mode 100644
index 00000000..b54b4942
--- /dev/null
+++ b/frameworks/fletch/.dart_tool/package_config.json
@@ -0,0 +1,274 @@
+{
+  "configVersion": 2,
+  "packages": [
+    {
+      "name": "args",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/args-2.7.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.3"
+    },
+    {
+      "name": "async",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/async-2.13.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "boolean_selector",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/boolean_selector-2.1.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.1"
+    },
+    {
+      "name": "buffer",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/buffer-1.2.3",
+      "packageUri": "lib/",
+      "languageVersion": "2.12"
+    },
+    {
+      "name": "charcode",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/charcode-1.4.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
+    {
+      "name": "clock",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/clock-1.1.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "code_assets",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/code_assets-1.0.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.9"
+    },
+    {
+      "name": "collection",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/collection-1.19.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "crypto",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/crypto-3.0.7",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "ffi",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/ffi-2.2.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.7"
+    },
+    {
+      "name": "file",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/file-7.0.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
+    {
+      "name": "fixnum",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/fixnum-1.1.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.1"
+    },
+    {
+      "name": "fletch",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/fletch-2.2.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.6"
+    },
+    {
+      "name": "get_it",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/get_it-9.2.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
+    {
+      "name": "glob",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/glob-2.1.3",
+      "packageUri": "lib/",
+      "languageVersion": "3.3"
+    },
+    {
+      "name": "hooks",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/hooks-1.0.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.10"
+    },
+    {
+      "name": "http",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/http-1.6.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "http_parser",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/http_parser-4.1.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "logger",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/logger-2.7.0",
+      "packageUri": "lib/",
+      "languageVersion": "2.17"
+    },
+    {
+      "name": "logging",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/logging-1.3.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "matcher",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/matcher-0.12.19",
+      "packageUri": "lib/",
+      "languageVersion": "3.7"
+    },
+    {
+      "name": "meta",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/meta-1.18.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.5"
+    },
+    {
+      "name": "mime",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/mime-2.0.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.2"
+    },
+    {
+      "name": "native_toolchain_c",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/native_toolchain_c-0.17.6",
+      "packageUri": "lib/",
+      "languageVersion": "3.10"
+    },
+    {
+      "name": "path",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/path-1.9.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "petitparser",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/petitparser-7.0.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.8"
+    },
+    {
+      "name": "pool",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/pool-1.5.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "postgres",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/postgres-3.5.9",
+      "packageUri": "lib/",
+      "languageVersion": "3.9"
+    },
+    {
+      "name": "pub_semver",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/pub_semver-2.2.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "quiver",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/quiver-3.2.2",
+      "packageUri": "lib/",
+      "languageVersion": "2.17"
+    },
+    {
+      "name": "source_span",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/source_span-1.10.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.1"
+    },
+    {
+      "name": "sqlite3",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/sqlite3-3.2.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.9"
+    },
+    {
+      "name": "stack_trace",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/stack_trace-1.12.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "stream_channel",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/stream_channel-2.1.4",
+      "packageUri": "lib/",
+      "languageVersion": "3.3"
+    },
+    {
+      "name": "string_scanner",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/string_scanner-1.4.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.1"
+    },
+    {
+      "name": "term_glyph",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/term_glyph-1.2.2",
+      "packageUri": "lib/",
+      "languageVersion": "3.1"
+    },
+    {
+      "name": "test_api",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/test_api-0.7.11",
+      "packageUri": "lib/",
+      "languageVersion": "3.7"
+    },
+    {
+      "name": "typed_data",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/typed_data-1.4.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.5"
+    },
+    {
+      "name": "uri",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/uri-1.0.0",
+      "packageUri": "lib/",
+      "languageVersion": "2.12"
+    },
+    {
+      "name": "uuid",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/uuid-4.5.3",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
+    {
+      "name": "web",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/web-1.1.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "xml",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/xml-6.6.1",
+      "packageUri": "lib/",
+      "languageVersion": "3.8"
+    },
+    {
+      "name": "yaml",
+      "rootUri": "file:///Users/kartik/.pub-cache/hosted/pub.dev/yaml-3.1.3",
+      "packageUri": "lib/",
+      "languageVersion": "3.4"
+    },
+    {
+      "name": "httparena_fletch",
+      "rootUri": "../",
+      "packageUri": "lib/",
+      "languageVersion": "3.6"
+    }
+  ],
+  "generator": "pub",
+  "generatorVersion": "3.11.4",
+  "flutterRoot": "file:///Users/kartik/Downloads/flutter",
+  "flutterVersion": "3.41.6",
+  "pubCache": "file:///Users/kartik/.pub-cache"
+}
diff --git a/frameworks/fletch/.dart_tool/package_graph.json b/frameworks/fletch/.dart_tool/package_graph.json
new file mode 100644
index 00000000..92538e38
--- /dev/null
+++ b/frameworks/fletch/.dart_tool/package_graph.json
@@ -0,0 +1,370 @@
+{
+  "roots": [
+    "httparena_fletch"
+  ],
+  "packages": [
+    {
+      "name": "httparena_fletch",
+      "version": "1.0.0",
+      "dependencies": [
+        "fletch",
+        "logger",
+        "postgres",
+        "sqlite3"
+      ],
+      "devDependencies": []
+    },
+    {
+      "name": "sqlite3",
+      "version": "3.2.0",
+      "dependencies": [
+        "code_assets",
+        "collection",
+        "crypto",
+        "ffi",
+        "hooks",
+        "meta",
+        "native_toolchain_c",
+        "path",
+        "typed_data",
+        "web"
+      ]
+    },
+    {
+      "name": "fletch",
+      "version": "2.2.0",
+      "dependencies": [
+        "args",
+        "async",
+        "crypto",
+        "get_it",
+        "http",
+        "logger",
+        "meta",
+        "mime",
+        "uri",
+        "uuid",
+        "xml"
+      ]
+    },
+    {
+      "name": "code_assets",
+      "version": "1.0.0",
+      "dependencies": [
+        "collection",
+        "hooks"
+      ]
+    },
+    {
+      "name": "collection",
+      "version": "1.19.1",
+      "dependencies": []
+    },
+    {
+      "name": "uri",
+      "version": "1.0.0",
+      "dependencies": [
+        "matcher",
+        "quiver"
+      ]
+    },
+    {
+      "name": "mime",
+      "version": "2.0.0",
+      "dependencies": []
+    },
+    {
+      "name": "typed_data",
+      "version": "1.4.0",
+      "dependencies": [
+        "collection"
+      ]
+    },
+    {
+      "name": "native_toolchain_c",
+      "version": "0.17.6",
+      "dependencies": [
+        "code_assets",
+        "glob",
+        "hooks",
+        "logging",
+        "meta",
+        "pub_semver"
+      ]
+    },
+    {
+      "name": "pub_semver",
+      "version": "2.2.0",
+      "dependencies": [
+        "collection"
+      ]
+    },
+    {
+      "name": "logging",
+      "version": "1.3.0",
+      "dependencies": []
+    },
+    {
+      "name": "crypto",
+      "version": "3.0.7",
+      "dependencies": [
+        "typed_data"
+      ]
+    },
+    {
+      "name": "get_it",
+      "version": "9.2.1",
+      "dependencies": [
+        "async",
+        "collection",
+        "meta"
+      ]
+    },
+    {
+      "name": "web",
+      "version": "1.1.1",
+      "dependencies": []
+    },
+    {
+      "name": "hooks",
+      "version": "1.0.2",
+      "dependencies": [
+        "collection",
+        "crypto",
+        "logging",
+        "meta",
+        "pub_semver",
+        "yaml"
+      ]
+    },
+    {
+      "name": "yaml",
+      "version": "3.1.3",
+      "dependencies": [
+        "collection",
+        "source_span",
+        "string_scanner"
+      ]
+    },
+    {
+      "name": "xml",
+      "version": "6.6.1",
+      "dependencies": [
+        "collection",
+        "meta",
+        "petitparser"
+      ]
+    },
+    {
+      "name": "uuid",
+      "version": "4.5.3",
+      "dependencies": [
+        "crypto",
+        "fixnum"
+      ]
+    },
+    {
+      "name": "fixnum",
+      "version": "1.1.1",
+      "dependencies": []
+    },
+    {
+      "name": "glob",
+      "version": "2.1.3",
+      "dependencies": [
+        "async",
+        "collection",
+        "file",
+        "path",
+        "string_scanner"
+      ]
+    },
+    {
+      "name": "petitparser",
+      "version": "7.0.2",
+      "dependencies": [
+        "collection",
+        "meta"
+      ]
+    },
+    {
+      "name": "async",
+      "version": "2.13.1",
+      "dependencies": [
+        "collection",
+        "meta"
+      ]
+    },
+    {
+      "name": "args",
+      "version": "2.7.0",
+      "dependencies": []
+    },
+    {
+      "name": "string_scanner",
+      "version": "1.4.1",
+      "dependencies": [
+        "source_span"
+      ]
+    },
+    {
+      "name": "file",
+      "version": "7.0.1",
+      "dependencies": [
+        "meta",
+        "path"
+      ]
+    },
+    {
+      "name": "path",
+      "version": "1.9.1",
+      "dependencies": []
+    },
+    {
+      "name": "logger",
+      "version": "2.7.0",
+      "dependencies": [
+        "clock",
+        "meta"
+      ]
+    },
+    {
+      "name": "clock",
+      "version": "1.1.2",
+      "dependencies": []
+    },
+    {
+      "name": "meta",
+      "version": "1.18.2",
+      "dependencies": []
+    },
+    {
+      "name": "quiver",
+      "version": "3.2.2",
+      "dependencies": [
+        "matcher"
+      ]
+    },
+    {
+      "name": "ffi",
+      "version": "2.2.0",
+      "dependencies": []
+    },
+    {
+      "name": "http",
+      "version": "1.6.0",
+      "dependencies": [
+        "async",
+        "http_parser",
+        "meta",
+        "web"
+      ]
+    },
+    {
+      "name": "http_parser",
+      "version": "4.1.2",
+      "dependencies": [
+        "collection",
+        "source_span",
+        "string_scanner",
+        "typed_data"
+      ]
+    },
+    {
+      "name": "source_span",
+      "version": "1.10.2",
+      "dependencies": [
+        "collection",
+        "path",
+        "term_glyph"
+      ]
+    },
+    {
+      "name": "term_glyph",
+      "version": "1.2.2",
+      "dependencies": []
+    },
+    {
+      "name": "matcher",
+      "version": "0.12.19",
+      "dependencies": [
+        "async",
+        "meta",
+        "stack_trace",
+        "term_glyph",
+        "test_api"
+      ]
+    },
+    {
+      "name": "stack_trace",
+      "version": "1.12.1",
+      "dependencies": [
+        "path"
+      ]
+    },
+    {
+      "name": "test_api",
+      "version": "0.7.11",
+      "dependencies": [
+        "async",
+        "boolean_selector",
+        "collection",
+        "meta",
+        "source_span",
+        "stack_trace",
+        "stream_channel",
+        "string_scanner",
+        "term_glyph"
+      ]
+    },
+    {
+      "name": "boolean_selector",
+      "version": "2.1.2",
+      "dependencies": [
+        "source_span",
+        "string_scanner"
+      ]
+    },
+    {
+      "name": "stream_channel",
+      "version": "2.1.4",
+      "dependencies": [
+        "async"
+      ]
+    },
+    {
+      "name": "postgres",
+      "version": "3.5.9",
+      "dependencies": [
+        "async",
+        "buffer",
+        "charcode",
+        "collection",
+        "crypto",
+        "meta",
+        "pool",
+        "stack_trace",
+        "stream_channel"
+      ]
+    },
+    {
+      "name": "charcode",
+      "version": "1.4.0",
+      "dependencies": []
+    },
+    {
+      "name": "buffer",
+      "version": "1.2.3",
+      "dependencies": []
+    },
+    {
+      "name": "pool",
+      "version": "1.5.2",
+      "dependencies": [
+        "async",
+        "stack_trace"
+      ]
+    }
+  ],
+  "configVersion": 1
+}
\ No newline at end of file
diff --git a/frameworks/fletch/Dockerfile b/frameworks/fletch/Dockerfile
index f7b6cb28..aab47a4a 100644
--- a/frameworks/fletch/Dockerfile
+++ b/frameworks/fletch/Dockerfile
@@ -18,6 +18,8 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/*
 
 COPY --from=build /app/build/bundle /server
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
 
 EXPOSE 8080
-CMD ["/server/bin/server"]
+CMD ["/entrypoint.sh"]
diff --git a/frameworks/fletch/bin/server.dart b/frameworks/fletch/bin/server.dart
index bbf5c006..db41e196 100644
--- a/frameworks/fletch/bin/server.dart
+++ b/frameworks/fletch/bin/server.dart
@@ -28,8 +28,13 @@ class _StaticFile {
   const _StaticFile(this.data, this.contentType);
 }
 
-Future<void> main() async {
-  final n = Platform.numberOfProcessors;
+Future<void> main(List<String> args) async {
+  // Prefer the worker count passed via entrypoint.sh (derived from `nproc`,
+  // which respects the cgroup CPU quota set by --cpus=N).  Fall back to
+  // Platform.numberOfProcessors when running outside Docker.
+  final n = args.isNotEmpty
+      ? (int.tryParse(args[0]) ?? Platform.numberOfProcessors)
+      : Platform.numberOfProcessors;
   for (var i = 1; i < n; i++) {
     await Isolate.spawn(_run, null);
   }
diff --git a/frameworks/fletch/entrypoint.sh b/frameworks/fletch/entrypoint.sh
new file mode 100644
index 00000000..05d77632
--- /dev/null
+++ b/frameworks/fletch/entrypoint.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+# nproc on Linux reads the cgroup CPU quota, so it returns the value set by
+# --cpus=N rather than the host's total CPU count.  This ensures the Dart
+# server spawns exactly as many isolates as the container is allowed to use.
+exec /server/bin/server "$(nproc)"

From 94fed24d54ae8b99f21dda3240123dfdc5920716 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Mon, 30 Mar 2026 07:46:29 +0000
Subject: [PATCH 7/7] Benchmark results: fletch

---
 site/data/async-db-1024.json                  | 20 ++++++++++++++
 site/data/async-db-512.json                   | 20 ++++++++++++++
 site/data/baseline-16384.json                 | 20 ++++++++++++++
 site/data/baseline-4096.json                  | 20 ++++++++++++++
 site/data/baseline-512.json                   | 20 ++++++++++++++
 site/data/compression-16384.json              | 20 ++++++++++++++
 site/data/compression-4096.json               | 20 ++++++++++++++
 site/data/current.json                        |  4 +--
 site/data/frameworks.json                     |  1 +
 site/data/json-16384.json                     | 20 ++++++++++++++
 site/data/json-4096.json                      | 20 ++++++++++++++
 site/data/limited-conn-4096.json              | 20 ++++++++++++++
 site/data/limited-conn-512.json               | 20 ++++++++++++++
 site/data/mixed-16384.json                    | 27 +++++++++++++++++++
 site/data/mixed-4096.json                     | 27 +++++++++++++++++++
 site/data/noisy-16384.json                    | 20 ++++++++++++++
 site/data/noisy-4096.json                     | 20 ++++++++++++++
 site/data/noisy-512.json                      | 20 ++++++++++++++
 site/data/pipelined-16384.json                | 20 ++++++++++++++
 site/data/pipelined-4096.json                 | 20 ++++++++++++++
 site/data/pipelined-512.json                  | 20 ++++++++++++++
 site/data/static-16384.json                   | 20 ++++++++++++++
 site/data/static-4096.json                    | 20 ++++++++++++++
 site/data/upload-256.json                     | 20 ++++++++++++++
 site/data/upload-512.json                     | 20 ++++++++++++++
 site/data/upload-64.json                      | 20 ++++++++++++++
 site/static/logs/async-db/1024/fletch.log     |  0
 site/static/logs/async-db/512/fletch.log      |  0
 site/static/logs/baseline/16384/fletch.log    |  0
 site/static/logs/baseline/4096/fletch.log     |  0
 site/static/logs/baseline/512/fletch.log      |  0
 site/static/logs/compression/16384/fletch.log |  0
 site/static/logs/compression/4096/fletch.log  |  0
 site/static/logs/json/16384/fletch.log        |  0
 site/static/logs/json/4096/fletch.log         |  0
 site/static/logs/limited-conn/4096/fletch.log |  0
 site/static/logs/limited-conn/512/fletch.log  |  0
 site/static/logs/mixed/16384/fletch.log       |  7 +++++
 site/static/logs/mixed/4096/fletch.log        |  0
 site/static/logs/noisy/16384/fletch.log       |  0
 site/static/logs/noisy/4096/fletch.log        |  0
 site/static/logs/noisy/512/fletch.log         |  0
 site/static/logs/pipelined/16384/fletch.log   |  0
 site/static/logs/pipelined/4096/fletch.log    |  0
 site/static/logs/pipelined/512/fletch.log     |  0
 site/static/logs/static/16384/fletch.log      |  0
 site/static/logs/static/4096/fletch.log       |  0
 site/static/logs/upload/256/fletch.log        |  0
 site/static/logs/upload/512/fletch.log        |  0
 site/static/logs/upload/64/fletch.log         |  0
 50 files changed, 504 insertions(+), 2 deletions(-)
 create mode 100644 site/static/logs/async-db/1024/fletch.log
 create mode 100644 site/static/logs/async-db/512/fletch.log
 create mode 100644 site/static/logs/baseline/16384/fletch.log
 create mode 100644 site/static/logs/baseline/4096/fletch.log
 create mode 100644 site/static/logs/baseline/512/fletch.log
 create mode 100644 site/static/logs/compression/16384/fletch.log
 create mode 100644 site/static/logs/compression/4096/fletch.log
 create mode 100644 site/static/logs/json/16384/fletch.log
 create mode 100644 site/static/logs/json/4096/fletch.log
 create mode 100644 site/static/logs/limited-conn/4096/fletch.log
 create mode 100644 site/static/logs/limited-conn/512/fletch.log
 create mode 100644 site/static/logs/mixed/16384/fletch.log
 create mode 100644 site/static/logs/mixed/4096/fletch.log
 create mode 100644 site/static/logs/noisy/16384/fletch.log
 create mode 100644 site/static/logs/noisy/4096/fletch.log
 create mode 100644 site/static/logs/noisy/512/fletch.log
 create mode 100644 site/static/logs/pipelined/16384/fletch.log
 create mode 100644 site/static/logs/pipelined/4096/fletch.log
 create mode 100644 site/static/logs/pipelined/512/fletch.log
 create mode 100644 site/static/logs/static/16384/fletch.log
 create mode 100644 site/static/logs/static/4096/fletch.log
 create mode 100644 site/static/logs/upload/256/fletch.log
 create mode 100644 site/static/logs/upload/512/fletch.log
 create mode 100644 site/static/logs/upload/64/fletch.log

diff --git a/site/data/async-db-1024.json b/site/data/async-db-1024.json
index 2d9166d9..4d72a7bb 100644
--- a/site/data/async-db-1024.json
+++ b/site/data/async-db-1024.json
@@ -758,5 +758,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 3817,
+    "avg_latency": "211.29ms",
+    "p99_latency": "905.60ms",
+    "cpu": "867.0%",
+    "memory": "2.5GiB",
+    "connections": 1024,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "30.29MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 19086,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/async-db-512.json b/site/data/async-db-512.json
index e04fd4f9..94995207 100644
--- a/site/data/async-db-512.json
+++ b/site/data/async-db-512.json
@@ -758,5 +758,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 4873,
+    "avg_latency": "99.72ms",
+    "p99_latency": "444.50ms",
+    "cpu": "1105.6%",
+    "memory": "1.9GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "38.68MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 24369,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/baseline-16384.json b/site/data/baseline-16384.json
index 30d926f7..5355f129 100644
--- a/site/data/baseline-16384.json
+++ b/site/data/baseline-16384.json
@@ -1058,5 +1058,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 158019,
+    "avg_latency": "27.42ms",
+    "p99_latency": "138.20ms",
+    "cpu": "1227.9%",
+    "memory": "1.4GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "29.38MB/s",
+    "input_bw": "12.21MB/s",
+    "reconnects": 0,
+    "status_2xx": 790095,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/baseline-4096.json b/site/data/baseline-4096.json
index f400b8e6..7de234aa 100644
--- a/site/data/baseline-4096.json
+++ b/site/data/baseline-4096.json
@@ -1058,5 +1058,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 177116,
+    "avg_latency": "8.35ms",
+    "p99_latency": "12.60ms",
+    "cpu": "1353.5%",
+    "memory": "1.4GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "32.93MB/s",
+    "input_bw": "13.68MB/s",
+    "reconnects": 0,
+    "status_2xx": 885583,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/baseline-512.json b/site/data/baseline-512.json
index b3a09aee..768d075b 100644
--- a/site/data/baseline-512.json
+++ b/site/data/baseline-512.json
@@ -1058,5 +1058,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 180487,
+    "avg_latency": "2.31ms",
+    "p99_latency": "3.85ms",
+    "cpu": "1374.3%",
+    "memory": "1.3GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "33.55MB/s",
+    "input_bw": "13.94MB/s",
+    "reconnects": 0,
+    "status_2xx": 902437,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/compression-16384.json b/site/data/compression-16384.json
index 95af5f82..aac9eae8 100644
--- a/site/data/compression-16384.json
+++ b/site/data/compression-16384.json
@@ -846,5 +846,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 126,
+    "avg_latency": "1.31s",
+    "p99_latency": "4.25s",
+    "cpu": "708.3%",
+    "memory": "1023.0MiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "26.56MB/s",
+    "input_bw": "9.11KB/s",
+    "reconnects": 0,
+    "status_2xx": 632,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/compression-4096.json b/site/data/compression-4096.json
index 75471de4..549b8aa2 100644
--- a/site/data/compression-4096.json
+++ b/site/data/compression-4096.json
@@ -846,5 +846,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 140,
+    "avg_latency": "1.30s",
+    "p99_latency": "3.89s",
+    "cpu": "783.4%",
+    "memory": "3.9GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "29.46MB/s",
+    "input_bw": "10.12KB/s",
+    "reconnects": 0,
+    "status_2xx": 701,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/current.json b/site/data/current.json
index 12438d18..1cf676bc 100644
--- a/site/data/current.json
+++ b/site/data/current.json
@@ -1,5 +1,5 @@
 {
-  "date": "2026-03-29",
+  "date": "2026-03-30",
   "cpu": "AMD Ryzen Threadripper PRO 3995WX 64-Cores",
   "cores": "64",
   "threads": "128",
@@ -7,7 +7,7 @@
   "os": "Ubuntu 24.04.4 LTS",
   "kernel": "6.17.0-19-generic",
   "docker": "29.3.0",
-  "commit": "40a4b16",
+  "commit": "82e5d96",
   "governor": "performance",
   "docker_runtime": "runc",
   "threads_per_core": "2",
diff --git a/site/data/frameworks.json b/site/data/frameworks.json
index 1b6724ce..20eeb22c 100644
--- a/site/data/frameworks.json
+++ b/site/data/frameworks.json
@@ -22,6 +22,7 @@
   "FastPySGI-ASGI": {"description": "An ultra fast WSGI/ASGI server for Python", "repo": "https://github.com/remittor/fastpysgi", "type": "engine", "engine": "libuv"},
   "fiber": {"description": "Fiber is an Express-inspired Go web framework built on fasthttp, featuring zero-allocation routing and extreme performance.", "repo": "https://github.com/gofiber/fiber", "type": "framework", "engine": "fiber"},
   "flask": {"description": "Flask web framework on Gunicorn with sync workers, one worker per CPU core.", "repo": "https://github.com/pallets/flask", "type": "framework", "engine": "gunicorn"},
+  "Fletch": {"description": "Express-inspired HTTP framework for Dart with radix-tree routing, middleware chains, signed sessions, and built-in DI.", "repo": "https://github.com/kartikey321/fletch", "type": "framework", "engine": "dart:io"},
   "GenHTTP": {"description": "Lightweight, embeddable and modular C# web server.", "repo": "https://github.com/Kaliumhexacyanoferrat/GenHTTP", "type": "framework", "engine": "GenHTTP"},
   "GenHTTP-WS": {"description": "GenHTTP WebSocket echo server using the functional API with zero-allocation frame handling.", "repo": "https://github.com/Kaliumhexacyanoferrat/GenHTTP", "type": "framework", "engine": "GenHTTP"},
   "gin": {"description": "Gin is a Go web framework with a martini-like API, featuring the fastest HTTP router (httprouter) and zero-allocation routing.", "repo": "https://github.com/gin-gonic/gin", "type": "framework", "engine": "gin"},
diff --git a/site/data/json-16384.json b/site/data/json-16384.json
index a65ca454..ae47abac 100644
--- a/site/data/json-16384.json
+++ b/site/data/json-16384.json
@@ -874,5 +874,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 30174,
+    "avg_latency": "98.01ms",
+    "p99_latency": "961.10ms",
+    "cpu": "1196.1%",
+    "memory": "1.4GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "245.98MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 150874,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/json-4096.json b/site/data/json-4096.json
index 46bdf613..7845bc2c 100644
--- a/site/data/json-4096.json
+++ b/site/data/json-4096.json
@@ -874,5 +874,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 37808,
+    "avg_latency": "33.00ms",
+    "p99_latency": "323.20ms",
+    "cpu": "1346.5%",
+    "memory": "1.3GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "308.22MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 189044,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/limited-conn-4096.json b/site/data/limited-conn-4096.json
index 5a021cf9..319f6659 100644
--- a/site/data/limited-conn-4096.json
+++ b/site/data/limited-conn-4096.json
@@ -1043,5 +1043,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 127671,
+    "avg_latency": "6.86ms",
+    "p99_latency": "12.90ms",
+    "cpu": "1176.2%",
+    "memory": "1.2GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "25.93MB/s",
+    "input_bw": "9.86MB/s",
+    "reconnects": 69417,
+    "status_2xx": 638356,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/limited-conn-512.json b/site/data/limited-conn-512.json
index 8ab9db21..c4790d58 100644
--- a/site/data/limited-conn-512.json
+++ b/site/data/limited-conn-512.json
@@ -1043,5 +1043,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 144092,
+    "avg_latency": "2.74ms",
+    "p99_latency": "3.64ms",
+    "cpu": "1401.7%",
+    "memory": "1.1GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "29.41MB/s",
+    "input_bw": "11.13MB/s",
+    "reconnects": 79450,
+    "status_2xx": 720462,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/mixed-16384.json b/site/data/mixed-16384.json
index 3ec55584..8ff1bdbc 100644
--- a/site/data/mixed-16384.json
+++ b/site/data/mixed-16384.json
@@ -1051,5 +1051,32 @@
     "tpl_compression": 85553,
     "tpl_static": 95221,
     "tpl_async_db": 2
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 611,
+    "avg_latency": "1.15s",
+    "p99_latency": "5.00s",
+    "cpu": "854.6%",
+    "memory": "9.9GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "31.95MB/s",
+    "input_bw": "43.68MB/s",
+    "reconnects": 2060,
+    "status_2xx": 9168,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0,
+    "tpl_baseline": 2983,
+    "tpl_json": 576,
+    "tpl_db": 573,
+    "tpl_upload": 546,
+    "tpl_compression": 2154,
+    "tpl_static": 1133,
+    "tpl_async_db": 1203
   }
 ]
\ No newline at end of file
diff --git a/site/data/mixed-4096.json b/site/data/mixed-4096.json
index 09c99949..e7066cab 100644
--- a/site/data/mixed-4096.json
+++ b/site/data/mixed-4096.json
@@ -1051,5 +1051,32 @@
     "tpl_compression": 94430,
     "tpl_static": 106061,
     "tpl_async_db": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 724,
+    "avg_latency": "974.94ms",
+    "p99_latency": "5.00s",
+    "cpu": "863.3%",
+    "memory": "11.2GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "31.05MB/s",
+    "input_bw": "51.76MB/s",
+    "reconnects": 2253,
+    "status_2xx": 10872,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0,
+    "tpl_baseline": 3833,
+    "tpl_json": 731,
+    "tpl_db": 750,
+    "tpl_upload": 733,
+    "tpl_compression": 2055,
+    "tpl_static": 1417,
+    "tpl_async_db": 1353
   }
 ]
\ No newline at end of file
diff --git a/site/data/noisy-16384.json b/site/data/noisy-16384.json
index 476d238b..357cf090 100644
--- a/site/data/noisy-16384.json
+++ b/site/data/noisy-16384.json
@@ -825,5 +825,25 @@
     "status_3xx": 0,
     "status_4xx": 3863291,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 106777,
+    "avg_latency": "18.54ms",
+    "p99_latency": "39.10ms",
+    "cpu": "1105.5%",
+    "memory": "2.0GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "29.19MB/s",
+    "input_bw": "10.79MB/s",
+    "reconnects": 1905,
+    "status_2xx": 533885,
+    "status_3xx": 0,
+    "status_4xx": 179468,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/noisy-4096.json b/site/data/noisy-4096.json
index ef7edcbb..baefec99 100644
--- a/site/data/noisy-4096.json
+++ b/site/data/noisy-4096.json
@@ -825,5 +825,25 @@
     "status_3xx": 0,
     "status_4xx": 2271170,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 131098,
+    "avg_latency": "2.93ms",
+    "p99_latency": "6.16ms",
+    "cpu": "1349.1%",
+    "memory": "1.4GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "35.71MB/s",
+    "input_bw": "13.25MB/s",
+    "reconnects": 237,
+    "status_2xx": 655490,
+    "status_3xx": 0,
+    "status_4xx": 217806,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/noisy-512.json b/site/data/noisy-512.json
index 02eabf49..0d288f43 100644
--- a/site/data/noisy-512.json
+++ b/site/data/noisy-512.json
@@ -825,5 +825,25 @@
     "status_3xx": 0,
     "status_4xx": 2213021,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 108469,
+    "avg_latency": "2.52ms",
+    "p99_latency": "3.61ms",
+    "cpu": "1233.7%",
+    "memory": "1.6GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "30.43MB/s",
+    "input_bw": "10.97MB/s",
+    "reconnects": 34,
+    "status_2xx": 542349,
+    "status_3xx": 0,
+    "status_4xx": 197138,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/pipelined-16384.json b/site/data/pipelined-16384.json
index 7c365b72..61e83ca2 100644
--- a/site/data/pipelined-16384.json
+++ b/site/data/pipelined-16384.json
@@ -1045,5 +1045,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 267269,
+    "avg_latency": "81.11ms",
+    "p99_latency": "2.20s",
+    "cpu": "1310.2%",
+    "memory": "1.2GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 16,
+    "bandwidth": "49.70MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 1336346,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/pipelined-4096.json b/site/data/pipelined-4096.json
index 15475573..d90712d8 100644
--- a/site/data/pipelined-4096.json
+++ b/site/data/pipelined-4096.json
@@ -1045,5 +1045,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 276937,
+    "avg_latency": "31.58ms",
+    "p99_latency": "523.40ms",
+    "cpu": "1368.9%",
+    "memory": "1.1GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 16,
+    "bandwidth": "51.51MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 1384688,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/pipelined-512.json b/site/data/pipelined-512.json
index f252c0cc..04e45d11 100644
--- a/site/data/pipelined-512.json
+++ b/site/data/pipelined-512.json
@@ -1045,5 +1045,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 274481,
+    "avg_latency": "22.02ms",
+    "p99_latency": "371.10ms",
+    "cpu": "1373.3%",
+    "memory": "1.1GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 16,
+    "bandwidth": "51.04MB/s",
+    "input_bw": "",
+    "reconnects": 0,
+    "status_2xx": 1372407,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/static-16384.json b/site/data/static-16384.json
index 625992d7..18cff4c6 100644
--- a/site/data/static-16384.json
+++ b/site/data/static-16384.json
@@ -798,5 +798,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 147628,
+    "avg_latency": "20.51ms",
+    "p99_latency": "135.50ms",
+    "cpu": "1327.7%",
+    "memory": "1.2GiB",
+    "connections": 16384,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "2.29GB/s",
+    "input_bw": "8.02MB/s",
+    "reconnects": 0,
+    "status_2xx": 738141,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/static-4096.json b/site/data/static-4096.json
index 1ef28f4b..fd018aff 100644
--- a/site/data/static-4096.json
+++ b/site/data/static-4096.json
@@ -798,5 +798,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 172174,
+    "avg_latency": "7.39ms",
+    "p99_latency": "14.10ms",
+    "cpu": "1337.5%",
+    "memory": "1.4GiB",
+    "connections": 4096,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "2.72GB/s",
+    "input_bw": "9.36MB/s",
+    "reconnects": 0,
+    "status_2xx": 860871,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/upload-256.json b/site/data/upload-256.json
index bcd2bcaa..79105623 100644
--- a/site/data/upload-256.json
+++ b/site/data/upload-256.json
@@ -858,5 +858,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 100,
+    "avg_latency": "1.34s",
+    "p99_latency": "4.88s",
+    "cpu": "467.8%",
+    "memory": "7.9GiB",
+    "connections": 256,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "19.62KB/s",
+    "input_bw": "1.95GB/s",
+    "reconnects": 0,
+    "status_2xx": 500,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/upload-512.json b/site/data/upload-512.json
index ef8a6dca..89c53842 100644
--- a/site/data/upload-512.json
+++ b/site/data/upload-512.json
@@ -858,5 +858,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 97,
+    "avg_latency": "1.62s",
+    "p99_latency": "5.00s",
+    "cpu": "442.9%",
+    "memory": "8.0GiB",
+    "connections": 512,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "19.11KB/s",
+    "input_bw": "1.89GB/s",
+    "reconnects": 0,
+    "status_2xx": 487,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/data/upload-64.json b/site/data/upload-64.json
index c24b923d..0360c427 100644
--- a/site/data/upload-64.json
+++ b/site/data/upload-64.json
@@ -858,5 +858,25 @@
     "status_3xx": 0,
     "status_4xx": 0,
     "status_5xx": 0
+  },
+  {
+    "framework": "Fletch",
+    "language": "Dart",
+    "rps": 145,
+    "avg_latency": "427.12ms",
+    "p99_latency": "1.62s",
+    "cpu": "595.7%",
+    "memory": "6.3GiB",
+    "connections": 64,
+    "threads": 64,
+    "duration": "5s",
+    "pipeline": 1,
+    "bandwidth": "28.53KB/s",
+    "input_bw": "2.83GB/s",
+    "reconnects": 0,
+    "status_2xx": 727,
+    "status_3xx": 0,
+    "status_4xx": 0,
+    "status_5xx": 0
   }
 ]
\ No newline at end of file
diff --git a/site/static/logs/async-db/1024/fletch.log b/site/static/logs/async-db/1024/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/async-db/512/fletch.log b/site/static/logs/async-db/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/baseline/16384/fletch.log b/site/static/logs/baseline/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/baseline/4096/fletch.log b/site/static/logs/baseline/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/baseline/512/fletch.log b/site/static/logs/baseline/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/compression/16384/fletch.log b/site/static/logs/compression/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/compression/4096/fletch.log b/site/static/logs/compression/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/json/16384/fletch.log b/site/static/logs/json/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/json/4096/fletch.log b/site/static/logs/json/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/limited-conn/4096/fletch.log b/site/static/logs/limited-conn/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/limited-conn/512/fletch.log b/site/static/logs/limited-conn/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/mixed/16384/fletch.log b/site/static/logs/mixed/16384/fletch.log
new file mode 100644
index 00000000..3f056aa0
--- /dev/null
+++ b/site/static/logs/mixed/16384/fletch.log
@@ -0,0 +1,7 @@
+evacuation failed
+evacuation failed
+evacuation failed
+evacuation failed
+evacuation failed
+evacuation failed
+evacuation failed
diff --git a/site/static/logs/mixed/4096/fletch.log b/site/static/logs/mixed/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/noisy/16384/fletch.log b/site/static/logs/noisy/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/noisy/4096/fletch.log b/site/static/logs/noisy/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/noisy/512/fletch.log b/site/static/logs/noisy/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/pipelined/16384/fletch.log b/site/static/logs/pipelined/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/pipelined/4096/fletch.log b/site/static/logs/pipelined/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/pipelined/512/fletch.log b/site/static/logs/pipelined/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/static/16384/fletch.log b/site/static/logs/static/16384/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/static/4096/fletch.log b/site/static/logs/static/4096/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/upload/256/fletch.log b/site/static/logs/upload/256/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/upload/512/fletch.log b/site/static/logs/upload/512/fletch.log
new file mode 100644
index 00000000..e69de29b
diff --git a/site/static/logs/upload/64/fletch.log b/site/static/logs/upload/64/fletch.log
new file mode 100644
index 00000000..e69de29b