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Posted to hdfs-issues@hadoop.apache.org by "Ayush Saxena (JIRA)" <ji...@apache.org> on 2019/01/08 12:22:00 UTC
[jira] [Commented] (HDFS-14189) Fix intermittent failure of
TestNameNodeMetrics
[ https://issues.apache.org/jira/browse/HDFS-14189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16737069#comment-16737069 ]
Ayush Saxena commented on HDFS-14189:
-------------------------------------
Reason for failure :
The Redundancy Monitor Thread running in parallel with an interval of just 1 sec, converts the Low Redundancy Block to Pending Replication.
> Fix intermittent failure of TestNameNodeMetrics
> -----------------------------------------------
>
> Key: HDFS-14189
> URL: https://issues.apache.org/jira/browse/HDFS-14189
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-14189-01.patch
>
>
> {noformat}
> java.lang.AssertionError: Bad value for metric LowRedundancyBlocks expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at org.apache.hadoop.test.MetricsAsserts.assertGauge(MetricsAsserts.java:189)
> at org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics.testCorruptBlock(TestNameNodeMetrics.java:488)
> {noformat}
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