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https://issues.apache.org/jira/browse/HBASE-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076446#comment-14076446
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Jerry He commented on HBASE-2949:
---------------------------------

Hi, [~stack], [[email protected]]]
I am going to work on providing a synchronous split.  Should I open a new JIRA 
or re-open this one?
We have an internal request for a synchronous split.

> Add synchronous compact/split/flush or add a callback that gets pulled when 
> compact/split/flush completes (and a progressable on how much is done)
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-2949
>                 URL: https://issues.apache.org/jira/browse/HBASE-2949
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: stack
>
> Users have asked for this w/ a while.  They start a major compaction and are 
> a little baffled when the shell returns immediately.  We need to make the 
> call synchronous or add a callback or provide a progressable so user can see 
> how complete the task is.  Should we include a cancel task?  "Hey! Why did 
> everything go slow of a sudden?" .... 5 minutes later "A major compaction 
> started on hbase... how do we turn it off?"
> The need for this feature was also mentioned in HBASE-2701



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