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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1753) Implement a functionality for suspend and resume a task's process.
Date Wed, 19 May 2010 21:43:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12869363#action_12869363

Konstantin Boudnik commented on MAPREDUCE-1753:

It isn't about my satisfaction. It's two bits return value which is done as boolean type.
C language doesn't have it that's why they use integer instead.

Now, about suspend resume process: you are right, it is generic. Which technically allow to
suspend a daemon VM's process and never be able to resume it. But It seems to be Ok, I guess.
I was totally confused by the fact that this has been tracked by a MAPREDUCE JIRA :( I'm moving
this ticket out to HADOOP.

> Implement a functionality for suspend and resume a task's process.
> ------------------------------------------------------------------
>                 Key: MAPREDUCE-1753
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1753
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: test
>            Reporter: Vinay Kumar Thota
>            Assignee: Vinay Kumar Thota
>         Attachments: 1753-ydist-security.patch, 1753-ydist-security.patch, 1753-ydist-security.patch,
> Adding  two methods in DaemonProtocolAspect.aj for suspend and resume the process.
> public int DaemonProtocol.resumeProcess(String pid) throws IOException;
> public int DaemonProtocol.suspendProcess(String pid) throws IOException;

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