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https://issues.apache.org/jira/browse/HBASE-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15246532#comment-15246532
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stack commented on HBASE-15506:
-------------------------------

How did you see improvement? Want to post some evidence?  As said before, I was 
unable to see benefit enabling this manager so would be interested in your 
findings.

> FSDataOutputStream.write() allocates new byte buffer on each operation
> ----------------------------------------------------------------------
>
>                 Key: HBASE-15506
>                 URL: https://issues.apache.org/jira/browse/HBASE-15506
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>         Attachments: HBASE-15506-v2.patch
>
>
> Deep inside stack trace in DFSOutputStream.createPacket.
> This should be opened in HDFS. This JIRA is to track HDFS work.



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