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https://issues.apache.org/jira/browse/HBASE-18906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187143#comment-16187143
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Andrew Purtell commented on HBASE-18906:
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I provided two hypotheticals and an example from Phoenix where waiting for
flushes is needed to avoid a deadlock. You respond with a barrage of questions.
It seems reasonable to me to consider coprocessors will care about these
matters but I’m not interested in a debate if you don’t agree. Do what you
want.
> 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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