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https://issues.apache.org/jira/browse/HADOOP-1788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12532768
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Owen O'Malley commented on HADOOP-1788:
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Did you verify that the buffer increased using strace?

> Increase the buffer size of pipes from 1k to 128k
> -------------------------------------------------
>
>                 Key: HADOOP-1788
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1788
>             Project: Hadoop
>          Issue Type: Bug
>          Components: pipes
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sri Ramadasu
>         Attachments: patch-1788.txt
>
>
> Currently pipes applications use 1k writes to the socket and it should be 
> larger to increase throughput.

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