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https://issues.apache.org/jira/browse/HBASE-18989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16201755#comment-16201755
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Anoop Sam John commented on HBASE-18989:
----------------------------------------

Ya we can add more APIs to CompactionLifeCycleTracker  to notify the state of 
compaction.  May be at the end (of all stores) also one.   I think knowing abt 
a particular compaction state (the compaction which CP started) is enough for 
the CP, rather than knowing whether all compactions are completed or not.  Any 
way for a moment the compactions might be stopped but immediately a new one can 
come in.

> Polish the compaction related CP hooks
> --------------------------------------
>
>                 Key: HBASE-18989
>                 URL: https://issues.apache.org/jira/browse/HBASE-18989
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction, Coprocessors
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0-alpha-4
>
>




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