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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18906) Investigate Phoenix usages of Region#waitForXXX APIs
Date Sat, 30 Sep 2017 09:08:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186993#comment-16186993
] 

Duo Zhang commented on HBASE-18906:
-----------------------------------

{quote}
- Wait for all pending flushes to complete on the region
- Wait for all pending compactions to finish on the region
{quote}

If we do not provide a way to stop scheduling new flush or compaction, then it does not make
sense to provide these methods? What is a typical usage?

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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