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https://issues.apache.org/jira/browse/HBASE-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214385#comment-15214385
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Vladimir Rodionov commented on HBASE-15506:
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[~lhofhansl]
Yes, this JIRA is for enabling HDFS-7276, by default.
As for why we need to decrease garbage allocation ... this affects latency and
server stability in a long term (with high memory allocation rate chances you
get eventually full GC is much higher).
> 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
>
> Deep inside stack trace in DFSOutputStream.createPacket.
> This should be opened in HDFS. This JIRA is to track HDFS work.
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