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https://issues.apache.org/jira/browse/HBASE-10480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895322#comment-13895322
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Hudson commented on HBASE-10480:
--------------------------------
SUCCESS: Integrated in hbase-0.96-hadoop2 #197 (See
[https://builds.apache.org/job/hbase-0.96-hadoop2/197/])
HBASE-10480 TestLogRollPeriod#testWithEdits may fail due to insufficient
waiting (mbertozzi: rev 1565772)
*
/hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestLogRollPeriod.java
> TestLogRollPeriod#testWithEdits may fail due to insufficient waiting
> --------------------------------------------------------------------
>
> Key: HBASE-10480
> URL: https://issues.apache.org/jira/browse/HBASE-10480
> Project: HBase
> Issue Type: Test
> Components: test
> Reporter: Ted Yu
> Assignee: Matteo Bertozzi
> Priority: Minor
> Fix For: 0.98.0, 0.96.2, 0.99.0, 0.94.17
>
> Attachments: HBASE-10480-v0.patch
>
>
> The test waits for minRolls rolls by sleeping:
> {code}
> Thread.sleep((minRolls + 1) * LOG_ROLL_PERIOD);
> {code}
> However, the above wait period may not be sufficient.
> See
> https://builds.apache.org/job/HBase-TRUNK/4895/testReport/junit/org.apache.hadoop.hbase.regionserver.wal/TestLogRollPeriod/testWithEdits/
> :
> {code}
> 2014-02-06 23:02:25,710 DEBUG [RS:0;quirinus:56476.logRoller]
> regionserver.LogRoller(87): Hlog roll period 4000ms elapsed
> ...
> 2014-02-06 23:02:30,275 DEBUG [RS:0;quirinus:56476.logRoller]
> regionserver.LogRoller(87): Hlog roll period 4000ms elapsed
> {code}
> The interval between two successive periodic rolls was ~1.5s longer than
> LOG_ROLL_PERIOD (4s)
> 1.5s * 4 (minRolls-1) > 4s (LOG_ROLL_PERIOD)
> This led to the test failure:
> {code}
> java.lang.AssertionError
> at org.junit.Assert.fail(Assert.java:86)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.junit.Assert.assertFalse(Assert.java:64)
> at org.junit.Assert.assertFalse(Assert.java:74)
> at
> org.apache.hadoop.hbase.regionserver.wal.TestLogRollPeriod.checkMinLogRolls(TestLogRollPeriod.java:168)
> at
> org.apache.hadoop.hbase.regionserver.wal.TestLogRollPeriod.testWithEdits(TestLogRollPeriod.java:130)
> {code}
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