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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4361) Corner cases in killJob from command line
Date Tue, 14 Oct 2008 11:23:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated HADOOP-4361:
--------------------------------------------

    Attachment: patch-4361.txt

Attaching patch with following changes:

1. changed TaskInProgress.shouldClose(attemptId) to return true if the tip has failed. This
will make sure cleanup task will get a slor free.
2. the gaurd in obtainNewMap/ReduceTask for tasksInited is changed to gaurd for JobState as
RUNNING
3. kill setup Tips when there is a kill from commandLine 
4.  Fixed setup task failures when
     i) kill-task for setup task from commandLine 
     ii) lost tracker on which setup task is running.

> Corner cases in killJob from command line
> -----------------------------------------
>
>                 Key: HADOOP-4361
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4361
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: patch-4361.txt
>
>
> If the job has occupied all the slots (maps and reduces), and there is kill from command
line to kill the job, we have to make sure the cleanup task is eventually launched. Now there
is no slot free until one of the attempts completes/failed.
> If there is kill from commandline during job setup, setup task has to be killed, before
launching cleanup task.

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