[jira] [Commented] (CRUNCH-307) Limit the number of concurrently running jobs

["Josh Wills (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CRUNCH-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833438#comment-13833438 ] 

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

Code looks good. +1 if it looks good on the cluster.

> 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.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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