[jira] [Work logged] (GOBBLIN-798) Clean up workflows from Helix when the Gobblin application master starts

[ASF GitHub Bot (JIRA)]

     [ 
https://issues.apache.org/jira/browse/GOBBLIN-798?focusedWorklogId=256110&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-256110
 ]

ASF GitHub Bot logged work on GOBBLIN-798:
------------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Jun/19 17:46
            Start Date: 07/Jun/19 17:46
    Worklog Time Spent: 10m 
      Work Description: sv2000 commented on pull request #2665: [GOBBLIN-798] 
Clean up workflows from Helix when the Gobblin applicat…
URL: https://github.com/apache/incubator-gobblin/pull/2665#discussion_r291685487
 
 

 ##########
 File path: 
gobblin-cluster/src/main/java/org/apache/gobblin/cluster/GobblinClusterConfigurationKeys.java
 ##########
 @@ -161,4 +161,8 @@
 
   public static final String CANCEL_RUNNING_JOB_ON_DELETE = 
GOBBLIN_CLUSTER_PREFIX + "job.cancelRunningJobOnDelete";
   public static final String DEFAULT_CANCEL_RUNNING_JOB_ON_DELETE = "false";
+
+  // for cleaning up jobs on cluster manager startup
+  public static final String CLEAN_UP_JOBS_ON_MANAGER_START = 
GOBBLIN_CLUSTER_PREFIX + "cleanUpJobsOnManagerStart";
+  public static final boolean DEFAULT_CLEAN_UP_JOBS_ON_MANAGER_START = false;
 
 Review comment:
   Is the default "false" to preserve the current behavior with Gobblin cluster 
in non-Yarn mode?
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 256110)
    Time Spent: 50m  (was: 40m)

> Clean up workflows from Helix when the Gobblin application master starts
> ------------------------------------------------------------------------
>
>                 Key: GOBBLIN-798
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-798
>             Project: Apache Gobblin
>          Issue Type: Task
>            Reporter: Hung Tran
>            Assignee: Hung Tran
>            Priority: Major
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> If the application master aborts a new one may be spawned by YARN. The second 
> application master will resubmit the jobs. This results in duplicate jobs in 
> Helix and multiple instances of the job may run, resulting in duplicate data.
> The Gobblin application master should clean up all workflows on startup to 
> avoid executing multiple instances of a job.
>  



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