[GitHub] [incubator-dolphinscheduler] lenboo opened a new pull request #1489: fix issue:1477 some tasks would be running all the time when db delayed(#1477)

[GitBox <gi...@apache.org>]

lenboo opened a new pull request #1489: fix issue:1477 some tasks would be running all the time when db delayed(#1477)
URL: https://github.com/apache/incubator-dolphinscheduler/pull/1489
 
 
   fix issue:1477 some tasks would be running all the time when db delayed
   
   ## What is the purpose of the pull request
   
   fix issue:1477 some tasks would be running all the time when db delayed
   
   ## Brief change log
   
   - split the submit to two part: submit to db and submit to queue.
   - while(true) retry submit task to db and queue.
   
   
   ## Verify this pull request
    server model is difficult for ut because some db operations. there maybe some refactors  in the feature.

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