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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14946) S3Guard testPruneCommandCLI can fail
Date Thu, 24 May 2018 10:32:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488771#comment-16488771
] 

Steve Loughran commented on HADOOP-14946:
-----------------------------------------

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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