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From "Lin Yiqun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9919) TestStandbyCheckpoints#testNonPrimarySBNUploadFSImage waitForCheckpoint incorrectly
Date Tue, 08 Mar 2016 11:37:40 GMT
Lin Yiqun created HDFS-9919:

             Summary: TestStandbyCheckpoints#testNonPrimarySBNUploadFSImage waitForCheckpoint
                 Key: HDFS-9919
                 URL: https://issues.apache.org/jira/browse/HDFS-9919
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
            Reporter: Lin Yiqun
            Assignee: Lin Yiqun
            Priority: Minor

In HDFS-9787, it sloved the problem that standby NNs can upload FSImage to ANN after become
non-primary standby NN. But in its unit test, it seems there is a small problem. when ANN
change state to standby and standby nns should do a checkpoint. And in test, it makes a checpoint
check as follow:
    for (int i = 0; i < NUM_NNS; i++) {
      // Once the standby catches up, it should do a checkpoint
      // and save to local directories.
      HATestUtil.waitForCheckpoint(cluster, 1, ImmutableList.of(12));
And in these code, the nnIdx for waitForCheckpoint is always {{1}}, not {{i}}. It seems there
is no need to check one standby nn's checkpoint three times.

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