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From "Biju Nair (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HBASE-18652) Expose individual cache stats in a CombinedCache through JMX
Date Tue, 29 Aug 2017 19:04:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HBASE-18652 started by Biju Nair.
-----------------------------------------
> 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
>         Attachments: 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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