Ahmed Hussein created HDFS-15095:
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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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