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Posted to hdfs-dev@hadoop.apache.org by "Mingliang Liu (JIRA)" <ji...@apache.org> on 2016/04/14 20:51:25 UTC

[jira] [Created] (HDFS-10293) StripedFileTestUtil#readAll flaky

Mingliang Liu created HDFS-10293:
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             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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