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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15077) Support OffheapKV write in compaction with out copying data on heap
Date Thu, 07 Jan 2016 18:33:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15087829#comment-15087829
] 

stack commented on HBASE-15077:
-------------------------------

No harm leading off the issue w/ the basic problem if only one sentence. I found the why after
digging through referenced JIRA.

This issue seems really important to solve. Good find.

The whole class is borrowed?

36	
37	  // Borrowed from openJDK:
38	  // http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8-b132/java/util/ArrayList.java#221

License not compatible.

Elsewhere we say ByteBufferedCell, etc. Why then do ByteBufferSupportedDataOutputStream and
not ByteBufferedDOS?

Otherwise, looks great. How we know its working?








> Support OffheapKV write in compaction with out copying data on heap
> -------------------------------------------------------------------
>
>                 Key: HBASE-15077
>                 URL: https://issues.apache.org/jira/browse/HBASE-15077
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15077.patch
>
>
> HBASE-14832  is not enough to handle this.  Doing the remaining needed here.



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