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[Core] Shorten the membership checking time to 5 seconds. #34769

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rkooo567
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@rkooo567 rkooo567 commented Apr 26, 2023

Why are these changes needed?

60 seconds are too long in case the GCS is restarted. This can unblock the problem when the GCS is restarted, raylets won't be killed. We will discuss the fundamental fix and follow up with it.

Related issue number

Address #34763 short term

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  • I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
    • I've added any new APIs to the API Reference. For example, if I added a
      method in Tune, I've added it in doc/source/tune/api/ under the
      corresponding .rst file.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
  • Testing Strategy
    • Unit tests
    • Release tests
    • This PR is not tested :(

Signed-off-by: SangBin Cho <[email protected]>
@jjyao
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jjyao commented Apr 26, 2023

What's the issue? It's not clear to me from the PR description.

Signed-off-by: SangBin Cho <[email protected]>
@rkooo567
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@jjyao #34763 <- this is the context!

@rkooo567
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But it is not a fundamental fix, so it won't close the issue.

@jjyao
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jjyao commented Apr 26, 2023

Left some comments on the issue. Still trying to understand the problem.

@rkooo567
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I am merging this PR as a temporary workaround.

@rkooo567 rkooo567 merged commit 77d5e84 into ray-project:master Apr 26, 2023
rkooo567 added a commit to rkooo567/ray that referenced this pull request May 1, 2023
rkooo567 added a commit that referenced this pull request May 2, 2023
rkooo567 added a commit to rkooo567/ray that referenced this pull request May 2, 2023
ProjectsByJackHe pushed a commit to ProjectsByJackHe/ray that referenced this pull request May 4, 2023
…t#34769)

60 seconds are too long in case the GCS is restarted. This can unblock the problem when the GCS is restarted, raylets won't be killed. We will discuss the fundamental fix and follow up with it.

Signed-off-by: Jack He <[email protected]>
architkulkarni pushed a commit to architkulkarni/ray that referenced this pull request May 16, 2023
…t#34769)

60 seconds are too long in case the GCS is restarted. This can unblock the problem when the GCS is restarted, raylets won't be killed. We will discuss the fundamental fix and follow up with it.
architkulkarni pushed a commit to architkulkarni/ray that referenced this pull request May 16, 2023
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3 participants