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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5142) DUCC: JP scaleout not derived from process_pipeline_count for DD jobs
Date Mon, 10 Oct 2016 17:24:20 GMT
Jerry Cwiklik created UIMA-5142:
-----------------------------------

             Summary: DUCC: JP scaleout not derived from process_pipeline_count for DD jobs
                 Key: UIMA-5142
                 URL: https://issues.apache.org/jira/browse/UIMA-5142
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.1.0-Ducc


For DD based jobs the scaleout is not based on process_pipeline_count specified in job's spec.
Instead, the code tries to fetch the scaleout from a DD which is not right. 

When a job is submitted, the OR creates a command line to launch a JP to run the job. The
OR takes the value of process_pipeline_count parameter and creates a System property from
it as follows:
     arg[4]: -Dducc.deploy.JpThreadCount=2

All the JP needs to do is to fetch the property value and use it to create matching number
of process threads that will request WIs from a JD.
  



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