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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6577) IPC server response buffer reset threshold should be configurable
Date Fri, 19 Feb 2010 07:11:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835620#action_12835620
] 

Arun C Murthy commented on HADOOP-6577:
---------------------------------------

Minor nit, please add a variable to track the config knob:

{code}
static final String HADOOP_RPC_RESPONSE_SIZE = "ipc.server.max.response.size";
{code}

or some such.

> IPC server response buffer reset threshold should be configurable
> -----------------------------------------------------------------
>
>                 Key: HADOOP-6577
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6577
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6577.patch
>
>
> In HDFS-6460, the response buffers in o.a.h.ipc.Server.Handler was reset when the buffer
grows beyond max size of 1MB. This frees heap from large responses occupying it. This max
response size limit should be configurable. Details in subsequent comment.  

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