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https://issues.apache.org/jira/browse/HBASE-19598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301619#comment-16301619
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stack commented on HBASE-19598:
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It was removed because it was immediately causing Master to go down.
In branch-1, Master was last to go down, like the captain of a ship. In
branch-2, we probably want it the same. At a minimum, RS are sending
notification of closed Regions as they are going down to the Master. We
currently do nothing w/ this info. We could be updating hbase:meta that the
Regions are closing out but currently we don't.
Cluster shutdown was a little dance in hbase-1. In hbase-2, it is a crashdown.
Need to fix. See HBASE-19533
For this issue, where is the problem? On shutdown? What is it waiting for?
> Fix TestAssignmentManagerMetrics flaky test
> -------------------------------------------
>
> Key: HBASE-19598
> URL: https://issues.apache.org/jira/browse/HBASE-19598
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0-beta-1
> Reporter: Balazs Meszaros
> Assignee: Balazs Meszaros
>
> TestAssignmentManagerMetrics fails constantly. After bisecting, it seems that
> commit 010012cbcb broke it (HBASE-18946).
> The test method runs successfully, but it cannot shut the minicluster down,
> and hangs forever.
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