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From "Ahmed Hussein (Jira)" <j...@apache.org>
Subject [jira] [Created] (HDFS-15095) Fix accidental comment in flaky test TestDecommissioningStatus
Date Mon, 06 Jan 2020 15:53:00 GMT
Ahmed Hussein created HDFS-15095:
------------------------------------

             Summary: Fix accidental comment in flaky test TestDecommissioningStatus
                 Key: HDFS-15095
                 URL: https://issues.apache.org/jira/browse/HDFS-15095
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
            Reporter: Ahmed Hussein
            Assignee: Ahmed Hussein


There are some old Jiras suggesting that "{{testDecommissionStatus"}} is flaky.
 * HDFS-12188
 * HDFS-9599
 * HDFS-9950
 * HDFS-10755

However, HDFS-14854 fix accidentally commented out one of the checks in {{TestDecommissioningStatus.testDecommissionStatus()"}}.
This Jira will restore the commented out code and adds a blocking queue to make the test case
deterministic.

My intuition is that monitor task launched by AdminManager may not have enough time to act
before we start verifying the status. I suggest the force the main thread to block until the
node is added to the blocked node.
  
  



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