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Date: Wed, 10 Oct 2007 08:16:51 -0700 (PDT)
From: "Raghu Angadi (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Commented: (HADOOP-1841) IPC server should write repsonses
 asynchronously
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    [ https://issues.apache.org/jira/browse/HADOOP-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12533764 ] 

Raghu Angadi commented on HADOOP-1841:
--------------------------------------

> This is very preliminary code but I would like to enhance the test to measure whether this change is making any difference to performance.

Why do you think there will be any improvement in performance? This is really not performance improvement in normal 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.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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