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https://issues.apache.org/jira/browse/HBASE-14793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008397#comment-15008397
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Elliott Clark commented on HBASE-14793:
---------------------------------------
The class doesn't actually have a long in it. It has a reference to an object
AtomicLong. That reference usually is as the same size as a long but it doesn't
have to be.
> 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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