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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10293) StripedFileTestUtil#readAll flaky
Date Thu, 14 Apr 2016 18:51:25 GMT
Mingliang Liu created HDFS-10293:
------------------------------------

             Summary: StripedFileTestUtil#readAll flaky
                 Key: HDFS-10293
                 URL: https://issues.apache.org/jira/browse/HDFS-10293
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: erasure-coding, test
    Affects Versions: 3.0.0
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu


The flaky test helper method cause several UT test failing intermittently. For example, the
{{TestDFSStripedOutputStreamWithFailure#testAddBlockWhenNoSufficientParityNumOfNodes}} timed
out in a recent run (see [exception|https://builds.apache.org/job/PreCommit-HDFS-Build/15158/testReport/org.apache.hadoop.hdfs/TestDFSStripedOutputStreamWithFailure/testAddBlockWhenNoSufficientParityNumOfNodes/]),
which can be easily reproduced locally.

Debugging at the code, chances are that the helper method is stuck in an infinite loop. We
need a fix to make the test robust.



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