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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18652) Expose individual cache stats in a CombinedCache through JMX
Date Fri, 08 Sep 2017 23:48:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159531#comment-16159531
] 

Hudson commented on HBASE-18652:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-1.5 #54 (See [https://builds.apache.org/job/HBase-1.5/54/])
HBASE-18652 Expose individual cache stats in a CombinedCache through JMX (tedyu: rev b6a12c843e3eca5b90065a6d045df77fd7164494)
* (edit) hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerSourceImpl.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionServer.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperImpl.java
* (edit) hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapper.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java
* (edit) hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerSource.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServerWrapperStub.java


> 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: HBASE-18652-BRANCH-1.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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