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From "Murali Reddy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-4604) add cancel/restart/pause async jobs to help recovery from failures
Date Wed, 04 Sep 2013 12:34:52 GMT
Murali Reddy created CLOUDSTACK-4604:
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             Summary: add cancel/restart/pause async jobs to help recovery from failures
                 Key: CLOUDSTACK-4604
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4604
             Project: CloudStack
          Issue Type: Improvement
      Security Level: Public (Anyone can view this level - this is the default.)
            Reporter: Murali Reddy
             Fix For: Future


Two complementary functionalities want to address with the bug.

- checkpoint the async jobs. perhaps use current journal to record the all entity manipulation,
For e.g  asyncJob for VM create can have journal like
     Volume, create, ID   
     Network, implement, id
     Nic, prepare, id etc

- asyncjob management api currently exposes ability to perform query and list async jobs.
There is no api support to cancel a job or restart a job. async job manager can be enhanced
to add pause, cancel, restart the jobs

A Job pause (pause to nearest checkpoint) and job restart (restart from the last checkpoint),
cancel (rollback from last checkpoint) can be used to help recovering from failures. 


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