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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2870) Datanode.shutdown() and Namenode.stop() should close all rpc connections
Date Fri, 07 Mar 2008 20:09:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-2870:
----------------------------------

    Status: Open  (was: Patch Available)

> Datanode.shutdown() and Namenode.stop() should close all rpc connections
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-2870
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2870
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.16.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.17.0
>
>         Attachments: closeConnection.patch, closeConnection1.patch, closeConnection2.patch,
closeConnection3.patch, closeConnection4.patch
>
>
> Currently this two cleanup methods do not close all existing rpc connections. If a mini
dfs cluster gets shutdown and then restarted as we do in TestFileCreation, RPCs in second
mini cluster reuse the unclosed connections opened in the first run but there is no server
running to serve the request. So the client get stuck waiting for the response forever if
client side timeout gets removed as suggested by hadoop-2811.

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