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From "Aaron Fabbri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14548) S3Guard: issues running parallel tests w/ S3N
Date Wed, 21 Jun 2017 01:03:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16056763#comment-16056763
] 

Aaron Fabbri commented on HADOOP-14548:
---------------------------------------

For the record, here are the failures on trunk (no s3guard) if I try to run s3a/s3n integration
tests in parallel, using a single bucket

{noformat}
Failed tests:
 (2)  ITestJets3tNativeS3FileSystemContract>NativeS3FileSystemContractBaseTest.testListStatusForRoot:73
Root directory is not empty;  expected:<0> but was:<2>
 (3) ITestJets3tNativeS3FileSystemContract>FileSystemContractBaseTest.testListStatus:321
expected:<1> but was:<12>

Tests in error:
(4)  ITestS3AContractRootDir>AbstractContractRootDirectoryTest.testRmEmptyRootDirNonRecursive:116
» PathIO
 (6)  ITestJets3tNativeS3FileSystemContract>FileSystemContractBaseTest.testLSRootDir:833->FileSystemContractBaseTest.assertListFilesFinds:851
» FileNotFound
{noformat}

If I point s3a/s3n contract tests at different buckets, I still get the first three (but not
#6).

> S3Guard: issues running parallel tests w/ S3N 
> ----------------------------------------------
>
>                 Key: HADOOP-14548
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14548
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Aaron Fabbri
>            Assignee: Aaron Fabbri
>
> In general, running S3Guard and parallel tests with S3A and S3N contract tests enabled
is asking for trouble:  S3Guard code assumes there are not other non-S3Guard clients modifying
the bucket.
> Goal of this JIRA is to:
> - Discuss current failures running `mvn verify -Dparallel-tests -Ds3guard -Ddynamo` with
S3A and S3N contract tests configured.
> - Identify any failures here that are worth looking into.
> - Document (or enforce) that people should not do this, or should expect failures if
they do.



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