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Posted to common-dev@hadoop.apache.org by "Raghu Angadi (JIRA)" <ji...@apache.org> on 2008/09/04 22:09:44 UTC

[jira] Commented: (HADOOP-4062) IPC client does not need to be synchronized on the output stream when a connection is closed

    [ https://issues.apache.org/jira/browse/HADOOP-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628444#action_12628444 ] 

Raghu Angadi commented on HADOOP-4062:
--------------------------------------

Can you briefly describe the case where one thread is trying to close and other threads are still sending requests? 

> IPC client does not need to be synchronized on the output stream when a connection is closed
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4062
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4062
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 0.18.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.19.0
>
>         Attachments: closeSync.patch
>
>
> Currently when a connection on the client side is closed, the close method is synchronized on the output stream. The synchronization is not necessary and has introduced a side effect that the socket can not be closed immediately when meanwhile applications are sending large requests.

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