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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1841) IPC server should write repsonses asynchronously
Date Tue, 20 Nov 2007 18:32:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543990
] 

Doug Cutting commented on HADOOP-1841:
--------------------------------------

I think we need to both show that it doesn't slow things in the normal case, and that it improves
performance in this particular case (clients slow to consume output).  Do you have a realistic
benchmark for that case?

> IPC server should write repsonses asynchronously
> ------------------------------------------------
>
>                 Key: HADOOP-1841
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1841
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Doug Cutting
>            Assignee: dhruba borthakur
>         Attachments: asyncRPC-2.patch, asyncRPC.patch, asyncRPC.patch
>
>
> Hadoop's IPC Server currently writes responses from request handler threads using blocking
writes.  Performance and scalability might be improved if responses were written asynchronously.

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