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https://issues.apache.org/jira/browse/HBASE-21588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735500#comment-16735500
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Jingyun Tian commented on HBASE-21588:
--------------------------------------

[~zghaobac] I checked the code and found some regionserver was still running 
when tear down. Then I found there is a piece of code in tearDown() of 
TestServerCrashProcedure:

{code}

if (master != null && master.getMasterProcedureExecutor() != null) {
 ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(
 master.getMasterProcedureExecutor(), false);
}

{code}

Thus I add the same code into TestSplitWalProcedure. Besides this, I make the 
test finish after all procedures done, I guess there is some procedure related 
thread stuck when we tear down the cluster. But I didn't found that thread from 
failed test logs.

> Procedure v2 wal splitting implementation
> -----------------------------------------
>
>                 Key: HBASE-21588
>                 URL: https://issues.apache.org/jira/browse/HBASE-21588
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jingyun Tian
>            Assignee: Jingyun Tian
>            Priority: Major
>         Attachments: HBASE-21588.master.003.patch, 
> HBASE-21588.master.004.patch, HBASE-21588.master.005.patch, 
> HBASE-21588.master.006.patch, HBASE-21588.master.007.patch, 
> HBASE-21588.master.008.patch, HBASE-21588.master.009.patch, 
> HBASE-21588.master.010.patch, HBASE-21588.master.011.patch, 
> HBASE-21588.master.012.patch, HBASE-21588.master.013.patch, 
> HBASE-21588.master.014.patch, HBASE-21588.master.015.patch, 
> HBASE-21588.master.016.patch, HBASE-21588.master.017.patch, 
> HBASE-21588.master.018.patch, HBASE-21588.master.018.patch, 
> HBASE-21588.master.019.patch, HBASE-21588.master.019.patch, 
> HBASE-21588.master.020.patch
>
>
> create a sub task to submit the implementation of procedure v2 wal splitting



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