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https://issues.apache.org/jira/browse/HBASE-12202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14164767#comment-14164767
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Lars Hofhansl commented on HBASE-12202:
---------------------------------------

Careful with DBBs. JVM will one for each size allocated and not reuse (unless 
same size), and in addition they not cleaned until we do a full GC (at least 
that used to be the case). So we need to make sure we allocate DBB of same size 
(maybe from a pool). There might be other issues too.

> Support DirectByteBuffer usage in HFileBlock
> --------------------------------------------
>
>                 Key: HBASE-12202
>                 URL: https://issues.apache.org/jira/browse/HBASE-12202
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0, 0.99.1
>
>




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