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https://issues.apache.org/jira/browse/HBASE-19542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296409#comment-16296409
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Duo Zhang commented on HBASE-19542:
-----------------------------------
Is it stuck in AsyncFSWAL.doShutdown? You can try to schedule the writer.close
call to closeExecutor before calling closeExecutor.shutdown so it will not
block the shutdown processing. And we can wait several seconds on the
closeExecutor to make sure that we can close the writer in normal cases.
Thanks.
> fix TestSafemodeBringsDownMaster
> --------------------------------
>
> Key: HBASE-19542
> URL: https://issues.apache.org/jira/browse/HBASE-19542
> Project: HBase
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-19542.v0.patch
>
>
> We need to check the stability of underlay file system when closing async
> wal. Otherwise, our hbase can't shutdown gracefully.
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