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https://issues.apache.org/jira/browse/GOBBLIN-1837?focusedWorklogId=865143&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-865143
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ASF GitHub Bot logged work on GOBBLIN-1837:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 13/Jun/23 09:49
            Start Date: 13/Jun/23 09:49
    Worklog Time Spent: 10m 
      Work Description: phet commented on code in PR #3700:
URL: https://github.com/apache/gobblin/pull/3700#discussion_r1227716310


##########
gobblin-runtime/src/main/java/org/apache/gobblin/runtime/api/MultiActiveLeaseArbiter.java:
##########
@@ -62,7 +62,38 @@ public interface MultiActiveLeaseArbiter {
    * leaseAcquisitionTimeMillis values have not changed since this owner 
acquired the lease (indicating the lease did
    * not expire).
    * @return true if successfully updated, indicating no further actions need 
to be taken regarding this event.
+   *         false if failed to update the lease properly, the caller should 
continue seeking to acquire the lease as
+   *         if any actions it did successfully accomplish, do not count
    */
-  boolean completeLeaseUse(DagActionStore.DagAction flowAction, long 
eventTimeMillis, long leaseAcquisitionTimeMillis)
-      throws IOException;
+  boolean recordLeaseSuccess(DagActionStore.DagAction flowAction, 
LeaseObtainedStatus status) throws IOException;
+
+  /*
+   Object used to encapsulate status of lease acquisition attempt and derived 
should contain information specific to

Review Comment:
   nits:
   a. this (and all those below) should really be class javadoc to show up in 
that tool
   b. it's a class (not an object)
   c. "derived [classes/types]" OR "derivations"





Issue Time Tracking
-------------------

    Worklog Id:     (was: 865143)
    Time Spent: 13h 40m  (was: 13.5h)

> Implement multi-active, non blocking for leader host
> ----------------------------------------------------
>
>                 Key: GOBBLIN-1837
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-1837
>             Project: Apache Gobblin
>          Issue Type: Bug
>          Components: gobblin-service
>            Reporter: Urmi Mustafi
>            Assignee: Abhishek Tiwari
>            Priority: Major
>          Time Spent: 13h 40m
>  Remaining Estimate: 0h
>
> This task will include the implementation of non-blocking, multi-active 
> scheduler for each host. It will NOT include metric emission or unit tests 
> for validation. That will be done in a separate follow-up ticket. The work in 
> this ticket includes
>  * define a table to do scheduler lease determination for each flow's trigger 
> event and related methods to execute actions on this tableĀ 
>  * update DagActionStore schema and DagActionStoreMonitor to act upon new 
> "LAUNCH" type events in addition to KILL/RESUME
>  * update scheduler/orchestrator logic to apply the non-blocking algorithm 
> when "multi-active scheduler mode" is enabled, otherwise submit events 
> directly to the DagManager after receiving a scheduler trigger
>  * implement the non-blocking algorithm, particularly handling reminder 
> events if another host is in the process of securing the lease for a 
> particular flow trigger



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