Lou DeGenaro created UIMA-5462:
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             Summary: DUCC Orchestrator (OR) should checkpoint when shutdown is 
requested
                 Key: UIMA-5462
                 URL: https://issues.apache.org/jira/browse/UIMA-5462
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Lou DeGenaro
            Assignee: Lou DeGenaro
             Fix For: 2.2.1-Ducc


In order to have the closest approximation to the current state at next 
Orchestrator (OR) boot, it should do a checkpoint when a shutdown request 
arrives.

Presently, no checkpoint is done at shutdown request time.  And if a Job has 
processed 20 work items, once the OR reboots the Job will be canceled (as 
expected) but will likely show 0 work items completed on the WS Jobs page.  But 
drilling down to the Job details one would discover that these 20 work items 
were indeed completed.



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