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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5154) 4-way deadlock in FairShare scheduler
Date Wed, 25 Feb 2009 14:49:01 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala updated HADOOP-5154:
-------------------------------------

    Attachment: hadoop-5154-for-19.patch

This patch applies to the Hadoop 0.19 branch. The earlier one did not.

I've run ant test-patch, test cases for fairscheduler, and also sanity tested the servlet
on a 4 node cluster, changing priorities, switching scheduling modes etc.

The patch was not different in content from the earlier one, only merged for the 0.19 branch.
So, I am committing this.

> 4-way deadlock in FairShare scheduler
> -------------------------------------
>
>                 Key: HADOOP-5154
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5154
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/fair-share
>            Reporter: Vinod K V
>            Assignee: Matei Zaharia
>            Priority: Blocker
>             Fix For: 0.19.2, 0.20.0
>
>         Attachments: FairSchedulerDeadLock.txt, hadoop-5154-for-19.patch, hadoop-5154-v0.patch,
hadoop-5154-v1.patch, hadoop-5154-v2.patch, hadoop-5154-v3.patch, hadoop-5154-v4.patch, hadoop-5154-v5.patch
>
>
> This happened while trying to change the priority of a job from the scheduler servlet.

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