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Posted to issues@hbase.apache.org by "ramkrishna.s.vasudevan (Jira)" <ji...@apache.org> on 2020/04/24 13:58:00 UTC
[jira] [Commented] (HBASE-24205) Create metric to know the number
of reads that happens from memstore
[ https://issues.apache.org/jira/browse/HBASE-24205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17091595#comment-17091595 ]
ramkrishna.s.vasudevan commented on HBASE-24205:
------------------------------------------------
Sample screenshot.
> Create metric to know the number of reads that happens from memstore
> --------------------------------------------------------------------
>
> Key: HBASE-24205
> URL: https://issues.apache.org/jira/browse/HBASE-24205
> Project: HBase
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 3.0.0
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.5
>
> Attachments: screenshot.png
>
>
> A metric to identify number of reads that were served from memstore (atleast if the gets can be accounted for) then it gives a value addition to know if among the reads how much was targeted at the most recent data.
> Currently the existing metric framework at region level should be enough but we can also add a metric per store level. That will be more granular.
> We can also expose this via HbTop.
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