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https://issues.apache.org/jira/browse/GOBBLIN-1211?focusedWorklogId=458398&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-458398
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ASF GitHub Bot logged work on GOBBLIN-1211:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/Jul/20 00:46
            Start Date: 14/Jul/20 00:46
    Worklog Time Spent: 10m 
      Work Description: sv2000 commented on pull request #3059:
URL: 
https://github.com/apache/incubator-gobblin/pull/3059#issuecomment-657902095


   @autumnust @ZihanLi58 Please review.


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

    Worklog Id:     (was: 458398)
    Time Spent: 20m  (was: 10m)

> Track unused Helix instances in a thread-safe manner
> ----------------------------------------------------
>
>                 Key: GOBBLIN-1211
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-1211
>             Project: Apache Gobblin
>          Issue Type: Improvement
>          Components: gobblin-yarn
>    Affects Versions: 0.15.0
>            Reporter: Sudarshan Vasudevan
>            Assignee: Abhishek Tiwari
>            Priority: Major
>             Fix For: 0.15.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The AMRMClient processes container allocation events asynchronously in a 
> separate thread. If there are multiple concurrent container requests and 
> consequent callbacks, we need to ensure that updates to shared data 
> structures such as the set of unused Helix instance names are consistent and 
> thread-safe. In other words, any updates to this set made by one thread will 
> be visible to all other threads handling the container allocation events. 



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