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Posted to issues@hbase.apache.org by "ramkrishna.s.vasudevan (Jira)" <ji...@apache.org> on 2020/05/14 14:03:00 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=17107323#comment-17107323 ]
ramkrishna.s.vasudevan commented on HBASE-24205:
------------------------------------------------
As per the recent PR - we will consolidate the metric at the table level what is the memstore request and file request per family. Attached screen shot for the same.
> 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-alpha-1
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.0, 2.2.5
>
> Attachments: screenshot.png, screenshot_tablevscf.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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