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https://issues.apache.org/jira/browse/HADOOP-6577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12836862#action_12836862
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Suresh Srinivas commented on HADOOP-6577:
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@dhruba - In your setup, are you going to be setting
ipc.server.max.response.size to 10MB?
depending on the production cluster response sizes and patterns, we may have to
set the resp buffer size to 10MB. With 100 handlers, this is 1GB hit on the
heap.
> 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-6577.1.patch, hadoop-6577.2.patch,
> hadoop-6577.2.patch, hadoop-6577.2.rel20.patch, hadoop-6577.3.patch,
> 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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