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Posted to issues@hbase.apache.org by "Biju Nair (JIRA)" <ji...@apache.org> on 2017/09/12 19:58:00 UTC

[jira] [Comment Edited] (HBASE-18652) Expose individual cache stats in a CombinedCache through JMX

    [ https://issues.apache.org/jira/browse/HBASE-18652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163486#comment-16163486 ] 

Biju Nair edited comment on HBASE-18652 at 9/12/17 7:57 PM:
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Hi @stack, the V3.0 patch for branch-1 from [~tedyu] addresses the FindBugs issue.


was (Author: gsbiju):
Hi @stack, the V3.0 patch for branch-1 from [~tedyu] address the FindBugs issue.

> Expose individual cache stats in a CombinedCache through JMX
> ------------------------------------------------------------
>
>                 Key: HBASE-18652
>                 URL: https://issues.apache.org/jira/browse/HBASE-18652
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Biju Nair
>            Assignee: Biju Nair
>             Fix For: 1.4.0, 1.5.0, 2.0.0-alpha-3
>
>         Attachments: 18652-branch-1-V3.0.PATCH, HBASE-18652-addendum.patch, HBASE-18652-BRANCH-1.PATCH, HBASE-18652-branch-1-v1.0.patch, HBASE-18652-branch-1-V2.0.PATCH, HBASE-18652-branch-1-V3.0.PATCH, HBASE-18652.PATCH, HBASE-18652-V1.0.PATCH, HBASE-18652-V2.0.PATCH, HBASE-18652-WIP.PATCH
>
>
> With offHeap cache being used to store data blocks and on-heap for index and bloom filters, exposing the stats from the individual caches through JMX will help understand the cache usage trend. Currently the combined cache stats is available through JMX which may not provide insight into the individual cache usage.



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