[jira] [Closed] (UIMA-5142) DUCC: JP scaleout not derived from process_pipeline_count for DD jobs

["Jerry Cwiklik (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-5142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerry Cwiklik closed UIMA-5142.
-------------------------------
    Resolution: Fixed

Modified to use -Dducc.deploy.JpThreadCount=X for scaleout when initializing a JP. The X determines number of threads the JP will use to fetch WIs from a JD.

> 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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