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https://issues.apache.org/jira/browse/HBASE-23326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17889440#comment-17889440
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Vineet Kumar Maheshwari commented on HBASE-23326:
-------------------------------------------------

Hi [~zhangduo] ,

I am observing a continuous log related to master store being compacted in 
HMaster. Upon further inspection, I observed that hbase schedules compact 
continuously in 
[https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/master/region/MasterRegionFlusherAndCompactor.java#L161]

Flusher code flow schedules compact call in this file.

Is there any particular reason that compact function schedules next compact 
itself?

> Implement a ProcedureStore which stores procedures in a HRegion
> ---------------------------------------------------------------
>
>                 Key: HBASE-23326
>                 URL: https://issues.apache.org/jira/browse/HBASE-23326
>             Project: HBase
>          Issue Type: Improvement
>          Components: proc-v2
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Critical
>             Fix For: 3.0.0-alpha-1, 2.3.0
>
>
> So we can resue the code in HRegion for persisting the procedures, and also 
> the optimized WAL implementation for better performance.
> This requires we merge the hbase-procedure module to hbase-server, which is 
> an anti-pattern as we make the hbase-server module more overloaded. But I 
> think later we can first try to move the WAL stuff out.



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