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https://issues.apache.org/jira/browse/MAPREDUCE-227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemanth Yamijala resolved MAPREDUCE-227.
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Resolution: Duplicate
Duplicate of MAPREDUCE-828. The consensus on this JIRA towards the end was that
a per job pause/resume functionality was not a desired direction, but there
were use cases for pausing the jobtracker itself.
In order to start fresh, and not get confused by the initial comments in this
issue, I am resolving this as a duplicate.
> Ability to pause/resume jobs
> ----------------------------
>
> Key: MAPREDUCE-227
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-227
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Attachments: HADOOP-4350-v1.2.patch, HADOOP-4350-v1.3.patch
>
>
> Consider a case where the user job depends on some external entity/service
> like a database or a web service. If the service needs restart or encounters
> a failure, the user should be able to pause the job and resume only when the
> service is up. This will be better than re-executing the whole job. Hence
> there should be some way to pause/resume jobs (from web-ui/command line) etc.
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