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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/06/06 12:45:08 UTC
[GitHub] [hadoop] ZanderXu opened a new pull request, #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
ZanderXu opened a new pull request, #4409:
URL: https://github.com/apache/hadoop/pull/4409
Jira: [HDFS-16623](https://issues.apache.org/jira/browse/HDFS-16623), fix bug to avoid IllegalArgumentException in LifelineSender.
In our production environment, an IllegalArgumentException occurred in the LifelineSender at one DataNode which was undergoing GC at that time.
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[GitHub] [hadoop] ZanderXu commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
ZanderXu commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1148630372
Thanks @cnauroth for your comment. Do you mean to add a UT to test that `getLifelineWaitTime()` can only return non-negative numbers?
I think if we need a UT, we should test the LifelineSender thread exit, but it is difficult to judge whether the thread exits or not. Do you have some good ideas? Thanks
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1150788913
:confetti_ball: **+1 overall**
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[GitHub] [hadoop] hadoop-yetus commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1147767240
:broken_heart: **-1 overall**
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| +0 :ok: | reexec | 0m 40s | | Docker mode activated. |
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| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. |
| +0 :ok: | codespell | 0m 1s | | codespell was not available. |
| +0 :ok: | detsecrets | 0m 1s | | detect-secrets was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain any @author tags. |
| -1 :x: | test4tests | 0m 0s | | The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 36m 52s | | trunk passed |
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| +1 :green_heart: | mvninstall | 1m 21s | | the patch passed |
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| Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4409/1/artifact/out/Dockerfile |
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| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
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[GitHub] [hadoop] ZanderXu commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
ZanderXu commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1152939271
@cnauroth @jojochuang Thanks for helping to review this code!
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[GitHub] [hadoop] cnauroth commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
cnauroth commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1149161121
@ZanderXu , yes, I was thinking of just testing that `getLifelineWaitTime()` only returns non-negative numbers. There is a similar kind of test in `TestBpServiceActorScheduler#testScheduleLifeline`, but it doesn't yet cover the case that would lead to a negative value.
I think testing for LifelineSender thread exit would be more complete, but also a lot more complex. Testing directly against the `getLifelineWaitTime()` return values is a good compromise.
Thanks!
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[GitHub] [hadoop] ZanderXu commented on pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
ZanderXu commented on PR #4409:
URL: https://github.com/apache/hadoop/pull/4409#issuecomment-1150581728
Thanks @cnauroth , please help me review the patch again.
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[GitHub] [hadoop] cnauroth merged pull request #4409: HDFS-16623. Avoid IllegalArgumentException in LifelineSender
Posted by GitBox <gi...@apache.org>.
cnauroth merged PR #4409:
URL: https://github.com/apache/hadoop/pull/4409
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