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https://issues.apache.org/jira/browse/HADOOP-2484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588704#action_12588704
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Amar Kamat commented on HADOOP-2484:
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- Facility to re-execute a subgraph. This will fasten the process of
incorporating dynamic config changes since only the related nodes/jobs will be
re-run with the changed environment.
> Improve facilities for job-control, job-queues etc.
> ---------------------------------------------------
>
> Key: HADOOP-2484
> URL: https://issues.apache.org/jira/browse/HADOOP-2484
> Project: Hadoop Core
> Issue Type: New Feature
> Components: mapred
> Reporter: Arun C Murthy
>
> Today, Map-Reduce has _some_ support for job-control - basically JobClient
> provides a facility to monitor jobs, one can setup a job-ending notification
> and there is {{JobControl}}.
> Links:
> http://lucene.apache.org/hadoop/docs/r0.15.1/mapred_tutorial.html#Job+Control
> http://lucene.apache.org/hadoop/docs/r0.15.1/mapred_tutorial.html#JobControl
> Looks like users could do more with better facilities for job-control and
> maybe more advanced features like job-queues etc.
> Lets discuss...
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