[jira] [Commented] (HBASE-4017) BlockCache interface should be truly modular

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-4017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13062320#comment-13062320 ] 

Hudson commented on HBASE-4017:
-------------------------------

Integrated in HBase-TRUNK #2016 (See [https://builds.apache.org/job/HBase-TRUNK/2016/])
    HBASE-4017 BlockCache interface should be truly modular

stack : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/io/hfile/SimpleBlockCache.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCache.java
* /hbase/trunk/CHANGES.txt
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/io/hfile/RandomSeek.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java


> BlockCache interface should be truly modular
> --------------------------------------------
>
>                 Key: HBASE-4017
>                 URL: https://issues.apache.org/jira/browse/HBASE-4017
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Li Pi
>            Assignee: Li Pi
>             Fix For: 0.92.0
>
>         Attachments: 4017.diff
>
>
> Currently, the if the BlockCache that used isn't an LruBlockCache, somewhere in metrics will try to cast it to an LruBlockCache and cause an exception. The code should be modular enough to allow for the use of different block caches without throwing an exception.

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