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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14793) Allow limiting size of block into L1 block cache.
Date Tue, 17 Nov 2015 16:59:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009015#comment-15009015
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Elliott Clark commented on HBASE-14793:
---------------------------------------

bq.When G1GC, there is no L2 going on?
That's one of the things we tried. A larger on heap cache with the g1.

bq.Add release note honey.
Will do honey.

> Allow limiting size of block into L1 block cache.
> -------------------------------------------------
>
>                 Key: HBASE-14793
>                 URL: https://issues.apache.org/jira/browse/HBASE-14793
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0, 1.1.2
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14793-v1.patch, HBASE-14793-v3.patch, HBASE-14793-v4.patch,
HBASE-14793-v5.patch, HBASE-14793-v6.patch, HBASE-14793.patch
>
>
> G1GC does really badly with long lived large objects. Lets allow limiting the size of
a block that can be kept in the block cache.



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