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https://issues.apache.org/jira/browse/HBASE-6377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413106#comment-13413106
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Lars Hofhansl commented on HBASE-6377:
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I think approach is good, though. Let's just do your patch and then regroup :)
> HBASE-5533 metrics miss all operations submitted via MultiAction
> ----------------------------------------------------------------
>
> Key: HBASE-6377
> URL: https://issues.apache.org/jira/browse/HBASE-6377
> Project: HBase
> Issue Type: Bug
> Components: metrics, regionserver
> Affects Versions: 0.96.0, 0.94.1
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Fix For: 0.94.2
>
> Attachments: 6377-trunk-simple.patch
>
>
> A client application (LoadTestTool) calls put() on HTables. Internally to the
> HBase client those puts are batched into MultiActions. The total number of
> put operations shown in the RegionServer's put metrics histogram never
> increases from 0 even though millions of such operations are made. Needless
> to say the latency for those operations are not measured either. The value of
> HBASE-5533 metrics are suspect given the client will batch put and delete ops
> like this.
> I had a fix in progress but HBASE-6284 messed it up. Before, MultiAction
> processing in HRegionServer would distingush between puts and deletes and
> dispatch them separately. It was easy to account for the time for them. Now
> both puts and deletes are submitted in batch together as mutations.
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