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https://issues.apache.org/jira/browse/TEZ-3616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fei Hui updated TEZ-3616:
-------------------------
Attachment: TEZ-3616.001.patch
Get the reason.
Because mergeThread has merged before interrupted. We need enlarge the file, so
that the mergeThread can be interrupted before accomplishing merge.
After fixing it, this test succeeds continuously with 20 more times
> TestMergeManager#testLocalDiskMergeMultipleTasks fails intermittently
> ----------------------------------------------------------------------
>
> Key: TEZ-3616
> URL: https://issues.apache.org/jira/browse/TEZ-3616
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.0
> Environment: Ubuntu 14.04
> Reporter: Sonia Garudi
> Assignee: Fei Hui
> Labels: ppc64le, x86
> Attachments: TEZ-3616.001.patch
>
>
> In tez-runtime-library project, the
> TestMergeManager#testLocalDiskMergeMultipleTasks test fails intermittently
> with the following error:
> testLocalDiskMergeMultipleTasks(org.apache.tez.runtime.library.common.shuffle.orderedgrouped.TestMergeManager)
> Time elapsed: 1.395 sec <<< FAILURE!
> java.lang.AssertionError: Values should be different. Actual: 1
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failEquals(Assert.java:185)
> at org.junit.Assert.assertNotEquals(Assert.java:161)
> at org.junit.Assert.assertNotEquals(Assert.java:198)
> at org.junit.Assert.assertNotEquals(Assert.java:209)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.TestMergeManager.testLocalDiskMergeMultipleTasks(TestMergeManager.java:878)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.TestMergeManager.testLocalDiskMergeMultipleTasks(TestMergeManager.java:628)
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