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From "Balu Vellanki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FALCON-740) Entity kill job calls OozieClient.kill on bundle coord job ids before calling kill on bundle job id
Date Thu, 18 Sep 2014 01:35:33 GMT
Balu Vellanki created FALCON-740:
------------------------------------

             Summary: Entity kill job calls OozieClient.kill on bundle coord job ids before
calling kill on bundle job id
                 Key: FALCON-740
                 URL: https://issues.apache.org/jira/browse/FALCON-740
             Project: Falcon
          Issue Type: Bug
          Components: webapp
    Affects Versions: 0.6
            Reporter: Balu Vellanki
            Assignee: Balu Vellanki


When Falcon user makes an entity kill API call, Falcon does the following in org.apache.falcon.workflow.engine.OozieWorkflowEngine.killBundle(String
clusterName, BundleJob job)

{code}
 //kill all coords
            for (CoordinatorJob coord : job.getCoordinators()) {
                client.kill(coord.getId());
                LOG.debug("Killed coord {} on cluster {}", coord.getId(), clusterName);
            }

            //set end time of bundle
            client.change(job.getId(), OozieClient.CHANGE_VALUE_ENDTIME + "=" + SchemaHelper.formatDateUTC(new
Date()));
            LOG.debug("Changed end time of bundle {} on cluster {}", job.getId(), clusterName);

            //kill bundle
            client.kill(job.getId());
            LOG.debug("Killed bundle {} on cluster {}", job.getId(), clusterName);
{code}

Two questions.
1. Why should we kill the coordinator jobs before killing the bundle job? OozieClient.kill(bundle_job_id)
should kill all the bundle's coord jobs.
2. Why is the endtime changed for  bundle job? https://oozie.apache.org/docs/4.0.1/DG_CommandLineTool.html#Changing_pausetime_of_a_Bundle_Job
does not say that endtime can be changed for bundlejob. 

I think this code should be updated, please comment if you think I made any wrong assumptions.

Thank you



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