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DOC-9254 example of slow operations logging #152

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DOC-9254 example of slow operations logging
osfameron Oct 6, 2021
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Merge branch 'release/3.2' into DOC-9254-clarify-slow-operations-logging
osfameron Jan 24, 2022
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46 changes: 46 additions & 0 deletions modules/howtos/examples/request-tracer.js
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"use strict";

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@maria-robobug maria-robobug Jan 25, 2022

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Just wondering are we using this example anywhere? Or is this prep for referencing later?

Also this will need a new test.

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@osfameron osfameron Jan 25, 2022

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hmm yes, looks like this needs some more work, ta

const { ThresholdLoggingTracer } = require("couchbase");
const couchbase = require("couchbase");

async function go() {
const tracer = new ThresholdLoggingTracer({
emitInterval: 1,
kvThreshold: 0.1
})

const cluster = await couchbase.connect("couchbase://localhost", {
username: "Administrator",
password: "password",
logFunc: (j) => { if (j.subsys == "tracer") { console.log(j) } },
tracer
})

const collection = cluster.bucket("travel-sample").scope("inventory").collection("airline")

await collection.upsert(
"airline_11", {
callsign: "MILE-AIR",
iata: "Q5",
icao: "MLA",
id: 11,
name: "40-Mile Air",
type: "airline"
}
)
await sleep(10)
}

function sleep(ms) {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
}

go()
.then((res) => console.log("DONE:", res))
.catch((err) => {
console.log("ERR:", err)
process.exit(1)
})
.then(process.exit)