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[CI] Deflaky TestRayServiceGCSFaultTolerance #2660

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merged 1 commit into from
Dec 17, 2024

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@kevin85421 kevin85421 commented Dec 17, 2024

Why are these changes needed?

#2590 adds an e2e test for RayService HA with GCS FT. However, it is quite flaky. On my devbox, it has about a 50% chance of failing.

The reason is that when the GCS process on the head Pod is killed, the readiness/liveness probes on the worker Pod will fail for a while, causing some requests to be dropped. I no longer observe the issue after upgrading from Ray 2.9.0 to Ray 2.40.0.

Related issue number

Closes #2659

Checks

I ran the test 10 times with this PR. All passed.

  • I've made sure the tests are passing.
  • Testing Strategy
    • Unit tests
    • Manual tests
    • This PR is not tested :(

Signed-off-by: kaihsun <[email protected]>
@@ -15,7 +15,7 @@ spec:
args:
num_forwards: 0
runtime_env:
working_dir: https://github.com/ray-project/serve_workloads/archive/a2e2405f3117f1b4134b6924b5f44c4ff0710c00.zip
working_dir: https://github.com/ray-project/serve_workloads/archive/a9f184f4d9ddb7f9a578502ae106470f87a702ef.zip
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See #2303 (comment) for more details.

@kevin85421 kevin85421 marked this pull request as ready for review December 17, 2024 01:43
@kevin85421 kevin85421 merged commit e595ee4 into ray-project:master Dec 17, 2024
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cc @CheyuWu

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[Bug] TestRayServiceGCSFaultTolerance is flaky
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