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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-307) Limit the number of concurrently running jobs
Date Thu, 28 Nov 2013 05:22:37 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13834532#comment-13834532
] 

Josh Wills commented on CRUNCH-307:
-----------------------------------

+1

> Limit the number of concurrently running jobs
> ---------------------------------------------
>
>                 Key: CRUNCH-307
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-307
>             Project: Crunch
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Chao Shi
>            Assignee: Chao Shi
>         Attachments: crunch-307-v2.patch, crunch-307-v2.patch, crunch-307.patch
>
>
> In current behavior, crunch keep submitting new jobs as long as their dependencies have
finished. This is not good on a scenario where a pipeline consists a large number (e.g. 10+)
of independent DAGs. A improvement is to define a limited window of concurrent running jobs.
Whenever such limit is reached, we stop submitting new jobs and wait until any running job
finishes.



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