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From "Heng Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15197) Expose filtered read requests metric to metrics framework and Web UI
Date Wed, 03 Feb 2016 03:08:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129689#comment-15129689
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Heng Chen commented on HBASE-15197:
-----------------------------------

+1 on patch v2.   If no other concerns, let me commit it later.  [~tedyu] :)

> Expose filtered read requests metric to metrics framework and Web UI
> --------------------------------------------------------------------
>
>                 Key: HBASE-15197
>                 URL: https://issues.apache.org/jira/browse/HBASE-15197
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Eungsop Yoo
>            Assignee: Eungsop Yoo
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15197-v1.patch, HBASE-15197-v2.patch, HBASE-15197.patch, HBASE-15197.patch,
WebUI-screenshot.png
>
>
> Filtered read requests metric for scan is added in [HBASE-5980|https://issues.apache.org/jira/browse/HBASE-5980].
But it can be retrieved from Scan object only. I think that it would be more informative when
it is exposed to metrics framework. So I suggest to add filtered read requests metric and
to expose it metrics framework and Web UI.
> ps. I think I found a bug; read requests count increased when Get operation returns no
record by filtering out. Should it be fixed?



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