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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16207) Fix ITestDirectoryCommitMRJob.testMRJob
Date Wed, 24 Apr 2019 12:49:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16825115#comment-16825115

Steve Loughran commented on HADOOP-16207:

FIx HADOOP-16184 and provided this is a non-auth test run, this will act as regression test
to make sure the fix works in real situations

> Fix ITestDirectoryCommitMRJob.testMRJob
> ---------------------------------------
>                 Key: HADOOP-16207
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16207
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3, test
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Critical
> Reported failure of {{ITestDirectoryCommitMRJob}} in validation runs of HADOOP-16186;
assertIsDirectory with s3guard enabled and a parallel test run: Path "is recorded as deleted
by S3Guard"
> {code}
>     waitForConsistency();
>     assertIsDirectory(outputPath) /* here */
> {code}
> The file is there but there's a tombstone. Possibilities
> * some race condition with another test
> * tombstones aren't timing out
> * committers aren't creating that base dir in a way which cleans up S3Guard's tombstones.

> Remember: we do have to delete that dest dir before the committer runs unless overwrite==true,
so at the start of the run there will be a tombstone. It should be overwritten by a success.

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