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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7317) RPC.stopProxy doesn't actually close proxy
Date Wed, 24 Aug 2011 18:28:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090389#comment-13090389
] 

Uma Maheswara Rao G commented on HADOOP-7317:
---------------------------------------------

Hi Todd,
Any comments on this?

> RPC.stopProxy doesn't actually close proxy
> ------------------------------------------
>
>                 Key: HADOOP-7317
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7317
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>             Fix For: 0.22.0
>
>
> Discovered while investigating HDFS-1965, it turns out that the reference-counting done
in WritableRpcEngine.ClientCache doesn't map one-to-one with open TCP connections. This means
that it's easy to accidentally leave TCP connections open longer than expected so long as
the client has any other connections open at all.

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