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From "Harsh J (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3442) Progress-report RPC clients should wait for the RPC to complete before sending another progress report
Date Mon, 21 Nov 2011 13:54:52 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154184#comment-13154184
] 

Harsh J commented on MAPREDUCE-3442:
------------------------------------

Moved to MAPREDUCE, was in HDFS accidentally. Unsure yet if this is a problem today, will
check later.
                
> Progress-report RPC clients should wait for the RPC to complete before sending another
progress report
> ------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3442
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3442
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Devaraj Das
>            Priority: Minor
>
> The Progress-report IPC clients don't wait for an invoked IPC to complete before sending
another progress report. Since in the IPC server, handlers execute as threads, an old progress
report might overwrite the status sent by a newer progress report. Making the progress report
IPC methods return a boolean or something, and having the clients wait for the response to
a progress report before sending the next one, should handle the issue.

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