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https://issues.apache.org/jira/browse/HDFS-8025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming Ma updated HDFS-8025:
--------------------------
Attachment: HDFS-8025.patch
The reason unit test "TestDecommission#testDecommissionWithNamenodeRestart" can
pass because blockReport was processed earlier than DecommissonManager thread.
Thus the test case doesn't verify the scenario.
The patch added {{checkBlockReportReceived}} back. It also improves unit tests
in the following ways. a) increase the blockreport interval and make it more
likely for DecommissonManager thread to process the node before blockReport is
processed. b) Check if the blocks are properly replicated right after node is
transitioned to Decommissioned. There is no need to wait for the block
replication given nodes should only be transitioned to Decommissioned after
block are properly replicated.
> Addendum for HDFS-3087
> ----------------------
>
> Key: HDFS-8025
> URL: https://issues.apache.org/jira/browse/HDFS-8025
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ming Ma
> Attachments: HDFS-8025.patch
>
>
> Per discussion with [~andrew.wang] on HDFS-7411, we should include HDFS-3087
> and enhance the unit test.
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