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https://issues.apache.org/jira/browse/HADOOP-14946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488771#comment-16488771
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Steve Loughran commented on HADOOP-14946:
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NTP logs? Just assume I'd overloaded the macbook's 16GB of RAM with an IDE
whose heap was 6GB; swapping will kill perf enough.
I like the skip if overload detected strategy; the other one would be to
dynamically change the asserts
within range: current tests
out of range: expect a different prune count
> S3Guard testPruneCommandCLI can fail
> ------------------------------------
>
> Key: HADOOP-14946
> URL: https://issues.apache.org/jira/browse/HADOOP-14946
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.0.0
> Reporter: Steve Loughran
> Assignee: Gabor Bota
> Priority: Major
> Attachments: HADOOP-14946.001.patch, HADOOP-14946.002.patch
>
>
> The test of the S3Guard CLI prune can sometimes fail on parallel test runs.
> Assumption: it is the parallelism which is causing the problem
> {code}
> org.apache.hadoop.fs.s3a.s3guard.ITestS3GuardToolDynamoDB
> testPruneCommandCLI(org.apache.hadoop.fs.s3a.s3guard.ITestS3GuardToolDynamoDB)
> Time elapsed: 10.765 sec <<< FAILURE!
> java.lang.AssertionError: Pruned children count [] expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> {code}
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