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https://issues.apache.org/jira/browse/HBASE-15634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247429#comment-15247429
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Duo Zhang commented on HBASE-15634:
-----------------------------------
I think set a smaller major compaction period or jitter can solve the problem.
> TestDateTieredCompactionPolicy#negativeForMajor is flaky
> --------------------------------------------------------
>
> Key: HBASE-15634
> URL: https://issues.apache.org/jira/browse/HBASE-15634
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 1.4.0
> Reporter: Ted Yu
> Attachments: 15634.v1.patch
>
>
> https://builds.apache.org/job/PreCommit-HBASE-Build/1365/artifact/patchprocess/patch-unit-hbase-server.txt
> :
> {code}
> negativeForMajor(org.apache.hadoop.hbase.regionserver.TestDateTieredCompactionPolicy)
> Time elapsed: 0.48 sec <<< FAILURE!
> java.lang.AssertionError: expected:<true> but was:<false>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.hbase.regionserver.TestDateTieredCompactionPolicy.compactEquals(TestDateTieredCompactionPolicy.java:94)
> at
> org.apache.hadoop.hbase.regionserver.TestDateTieredCompactionPolicy.negativeForMajor(TestDateTieredCompactionPolicy.java:301)
> {code}
> Similar test failure occurred in master JDK 8 build as well
> (https://builds.apache.org/job/HBase-TRUNK_matrix/839/jdk=latest1.8,label=yahoo-not-h2/testReport/org.apache.hadoop.hbase.regionserver/TestDateTieredCompactionPolicy/negativeForMajor/).
> Since TestDateTieredCompactionPolicy is a small test, its failure prevented
> large tests from running.
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