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https://issues.apache.org/jira/browse/HDFS-7445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14238836#comment-14238836
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Colin Patrick McCabe commented on HDFS-7445:
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I don't have a strong preference, but I'd like to see us finish stuff like the
hdfs.h interface and the addition of unit tests before we start on this
optimization. I feel like this is something we could easily do after merging
to trunk. I guess it's somewhat up to you, though.
> Implement packet memory pool in output stream in libhdfs3
> ---------------------------------------------------------
>
> Key: HDFS-7445
> URL: https://issues.apache.org/jira/browse/HDFS-7445
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Zhanwei Wang
> Assignee: Zhanwei Wang
>
> Implement a packet memory pool instead of allocating packet dynamically. A
> packet memory pool can guard against overcommit and avoid the cost of
> allocation for output stream in libhdfs3.
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