[jira] [Closed] (UIMA-5048) DUCC Orchestrator (OR) record Process Manager (PM) Job CommandLine requests

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

     [ https://issues.apache.org/jira/browse/UIMA-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerry Cwiklik closed UIMA-5048.
-------------------------------
    Resolution: Fixed

Modified PM to ignore tasks for which there is no command line (jobs, Services). This would be the case when the OR returns null for explicit request to provide a command line for a job or service. 
Modified the OR to log PM requests.

> DUCC Orchestrator (OR) record Process Manager (PM) Job CommandLine requests
> ---------------------------------------------------------------------------
>
>                 Key: UIMA-5048
>                 URL: https://issues.apache.org/jira/browse/UIMA-5048
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Lou DeGenaro
>            Assignee: Jerry Cwiklik
>             Fix For: 2.2.0-Ducc
>
>
> On uima-ducc-demo we saw one Job that caused PM to OOM.  According to the PM log, the request for Job 784 from PM to Orchestrator to fetch the CommandLine (comprising the CLASSPATH) resulted in the unexpected value of null.
> 1. Put more logging code into OR to better understand why a null value was returned to PM
> 2. PM should prevent such Jobs Processes from launching, since there is no command line
> 3. Increase PM's -Xmx on uima-ducc-demo from 150M to 200M (same as SM and WS)



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