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tadjik1
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May 7, 2026
| run_on: GRAVITON_OS, | ||
| expansions: { | ||
| NODE_LTS_VERSION: LATEST_LTS, | ||
| CLIENT_ENCRYPTION: true |
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To test more native modules (libmongocrypt).
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Pull request overview
Adds a new Evergreen build variant targeting AWS Graviton4 (arm64) on Amazon Linux 2023 to run a subset of the Node driver test suite on ARM hardware.
Changes:
- Introduces
GRAVITON_OS(amazon2023-arm64-latest-large-m8g) in the Evergreen CI matrix constants. - Adds a new build variant (
amazon-linux-2023-arm64-graviton4) to the task generator with latest-server topology coverage plus snappy/zstd compression tasks. - Updates the generated Evergreen
config.ymlto include the new build variant.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
.evergreen/generate_evergreen_tasks.js |
Adds a Graviton4 AL2023 build variant and task list in the Evergreen config generator. |
.evergreen/config.yml |
Adds the generated buildvariant entry for Graviton4 AL2023. |
.evergreen/ci_matrix_constants.js |
Exports a new GRAVITON_OS distro constant used by the generator. |
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PavelSafronov
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This change runs latest MongoDB on Graviton processor. Do we also want to run older versions?
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|
No, this is copy from the ticket description: |
PavelSafronov
approved these changes
May 8, 2026
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Description
Summary of Changes
Adds a new Evergreen build variant (
amazon-linux-2023-arm64-graviton4) that runs the driver test suite on AWS Graviton 4 (arm64) hardware using theamazon2023-arm64-latest-large-m8gdistro.Tests included:
Kerberos testing is out of scope for this PR per NODE-6820.
Notes for Reviewers
The distro
amazon2023-arm64-latest-large-m8gwas identified in DRIVERS-2436 as the recommended Graviton 4 distro for integration testing (Graviton 4, AL2023).The new
Graviton4 AL2023 Node24build variant is visible in Evergreen.What is the motivation for this change?
ARM processors have known behavioral differences from x86 that can cause subtle bugs in native code - most notably,
charis unsigned by default on ARM (vs. signed on x86), and floating-point contraction behavior may differ between gcc and clang. MongoDB servers on Graviton are increasingly common in Atlas, making it important to validate that our native driver modules (kerberos, snappy, zstd, CSFLE) behave correctly on this architecture.Double check the following
npm run check:lint)type(NODE-xxxx)[!]: descriptionfeat(NODE-1234)!: rewriting everything in coffeescript