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https://issues.apache.org/jira/browse/CRUNCH-307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Shi resolved CRUNCH-307.
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Resolution: Fixed
Fix Version/s: 0.9.0
Committed.
> 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
> Fix For: 0.9.0
>
> 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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