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https://issues.apache.org/jira/browse/HBASE-20095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414919#comment-16414919
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Reid Chan commented on HBASE-20095:
-----------------------------------
Looks like an edge case,
pool in {{updatePool(long)}} is in synchronized, chore should not submit task
successfully until updating finishes.
If POOL.submit() is called first (also synchronized), canUpdateImmediately
(also synchronized) shall return false.
WDYT, [[email protected]]?
> Redesign single instance pool in CleanerChore
> ---------------------------------------------
>
> Key: HBASE-20095
> URL: https://issues.apache.org/jira/browse/HBASE-20095
> Project: HBase
> Issue Type: Improvement
> Reporter: Reid Chan
> Assignee: Reid Chan
> Priority: Critical
> Fix For: 3.0.0, 2.1.0
>
> Attachments: HBASE-20095.master.001.patch,
> HBASE-20095.master.002.patch, HBASE-20095.master.003.patch,
> HBASE-20095.master.004.patch, HBASE-20095.master.005.patch,
> HBASE-20095.master.006.patch, HBASE-20095.master.007.patch,
> HBASE-20095.master.008.patch, HBASE-20095.master.009.patch,
> HBASE-20095.master.010.patch, HBASE-20095.master.011.patch,
> HBASE-20095.master.012.patch, HBASE-20095.master.013.patch,
> HBASE-20095.master.014.patch
>
>
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