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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11696) Make CombinedBlockCache resizable.
Date Wed, 13 Aug 2014 16:20:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095662#comment-14095662
] 

stack commented on HBASE-11696:
-------------------------------

+1

Add release note. +1 on enabling by default. We need to write a policy that keeps growing
block cache while there are evictions going on (until we stop doing evictions or hit max size?)

> Make CombinedBlockCache resizable.
> ----------------------------------
>
>                 Key: HBASE-11696
>                 URL: https://issues.apache.org/jira/browse/HBASE-11696
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0
>
>         Attachments: HBASE-11696.patch
>
>
> HBASE-5349 adds auto tuning of memstore heap and block cache heap. Block cache needs
to be resizable in order for this. CombinedBlockCache is not marked resizable now. We can
make this. On resize the L1 cache (ie. LRU cache) can get resized.



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