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Posted to dev@crunch.apache.org by "Chao Shi (JIRA)" <ji...@apache.org> on 2013/11/27 04:41:35 UTC

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

Chao Shi created CRUNCH-307:
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             Summary: 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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