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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18463) Replication sink frequently triggers HBASE-18023 warnings
Date Thu, 27 Jul 2017 22:29:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16104021#comment-16104021

Andrew Purtell commented on HBASE-18463:

Yes, potentially harmful, to performance

> Replication sink frequently triggers HBASE-18023 warnings
> ---------------------------------------------------------
>                 Key: HBASE-18463
>                 URL: https://issues.apache.org/jira/browse/HBASE-18463
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>            Reporter: Andrew Purtell
>            Priority: Minor
>             Fix For: 2.0.0, 3.0.0, 1.4.0, 1.3.2
> After HBASE-18023 we warn if the number of operations in a multi operation exceeds a
threshold. This is meant to catch potential performance problems or abusive clients. However
while testing simple replication scenarios we have observed frequent warnings issued as the
sink applies received edit batches. 
> I think we want to either introduce a separate threshold for warning about RPC submitted
by the replication client or exclude ops submitted by the sinks entirely. Not sure distinguishing
the replication client from normal clients is possible yet. 

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