[jira] [Resolved] (UIMA-2642) DUCC should provide job cancel by proxy capability

["Lou DeGenaro (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-2642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lou DeGenaro resolved UIMA-2642.
--------------------------------

    Resolution: Fixed

Code delivered.
                
> DUCC should provide job cancel by proxy capability
> --------------------------------------------------
>
>                 Key: UIMA-2642
>                 URL: https://issues.apache.org/jira/browse/UIMA-2642
>             Project: UIMA
>          Issue Type: Improvement
>            Reporter: Lou DeGenaro
>            Assignee: Lou DeGenaro
>
> Presently, DUCC job submit provides the ability to wait for job completion before exiting via the --wait_for_completion flag, and to automatically cancel the job when ctrl-C is invoked via the --cancel_job_on_interrupt flag.  In the case where the submit+monitor CLI combination is terminated by, say, kill -9 the job is (unfortunately) not automatically canceled.
> To remedy this deficiency, the DUCC webserver (WS) will act as proxy to receive periodic "I am alive" requests from the submit+monitor CLI, and if these requests cease to arrive for some ducc.properties configured interval, then the job is auto-canceled. 

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