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Posted to common-dev@hadoop.apache.org by "Amar Kamat (JIRA)" <ji...@apache.org> on 2008/10/07 22:12:44 UTC

[jira] Updated: (HADOOP-4350) Ability to pause/resume jobs

     [ https://issues.apache.org/jira/browse/HADOOP-4350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat updated HADOOP-4350:
-------------------------------

    Attachment: HADOOP-4350-v1.2.patch

Attaching a patch the gets the basic feature working.

> Ability to pause/resume jobs
> ----------------------------
>
>                 Key: HADOOP-4350
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4350
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>         Attachments: HADOOP-4350-v1.2.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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