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https://issues.apache.org/jira/browse/HBASE-21325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656688#comment-16656688
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Guanghao Zhang commented on HBASE-21325:
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Ut will be hurt by System.exit. Will find a way to resolve this later.
> Force to terminate regionserver when abort hang in somewhere
> ------------------------------------------------------------
>
> Key: HBASE-21325
> URL: https://issues.apache.org/jira/browse/HBASE-21325
> Project: HBase
> Issue Type: Improvement
> Reporter: Duo Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-21325.master.001.patch
>
>
> When testing sync replication, I found that, if I transit the remote cluster
> to DA, while the local cluster is still in A, the region server will hang
> when shutdown. As the fsOk flag only test the local cluster(which is
> reasonable), we will enter the waitOnAllRegionsToClose, and since the WAL is
> broken(the remote wal directory is gone) so we will never succeed. And this
> lead to an infinite wait inside waitOnAllRegionsToClose.
> So I think here we should have an upper bound for the wait time in
> waitOnAllRegionsToClose method.
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