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https://issues.apache.org/jira/browse/HBASE-18906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16198053#comment-16198053
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Duo Zhang commented on HBASE-18906:
-----------------------------------

{quote}
- Request flush async
- Request compaction async
- Poll for the completion of a single flush request
- Poll for the completion of a single compaction request
{quote}

So at least we need to provide these abilities. [~anoopsamjohn] so let's finish 
HBASE-18183 and then start working on this? I think the patch of HBASE-18183 
does not need to be perfect, it is big enough... Can polish in follow on issues.

Thanks.

> Investigate Phoenix usages of Region#waitForXXX APIs
> ----------------------------------------------------
>
>                 Key: HBASE-18906
>                 URL: https://issues.apache.org/jira/browse/HBASE-18906
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0-alpha-4
>
>
> While reviewing HBASE-18183, Andy pointed out that Phoenix uses 
> waitForFlushesAndCompactions and/or waitForFlushes for diff reasons.  This 
> issue is to see why they need them and whether alternate ways are possible. 
> This seems to be too much internal stuff and a normal CP hook calling these 
> would be dangerous.
> If there are alternate ways for Phoenix not to use this and not landing in 
> issues (As said by Andy) we should suggest/fix for them.



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