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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8986) Server$Call object is never released after it is sent
Date Mon, 29 Oct 2012 19:00:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Joseph Evans updated HADOOP-8986:
----------------------------------------

    Attachment: HADOOP-8986.txt

There are no tests for this patch.  I have tested it manually.  All of the old functionality
should still work, it is just that more memory will be released to be collected when a call
finishes.
                
> Server$Call object is never released after it is sent
> -----------------------------------------------------
>
>                 Key: HADOOP-8986
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8986
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 2.0.2-alpha, 0.23.4
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Critical
>         Attachments: HADOOP-8986.txt
>
>
> When an IPC response cannot be returned without blocking an Server$Call object is attached
to the SelectionKey of the write selector.  However the call object is never removed from
the SlectionKey. So for a connection that rarely has large responses but is long lived there
is a lot of data.

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