Bikas Saha commented on YARN-2261:

Sounds reasonable. Though things like how does YARN expose this information to 
the user would eventually need to be thought about. Currently the RM page shows 
running applications. How will show cleanup in progress? Can the original AM be 
preempted due to lack of resources? In that case, how will we launch the clean 
up container. Though probably the same problem exists now because if an AM is 
preempted it would not be able to clean up. However, moving this responsibility 
from the user to YARN (as proposed in this jira) makes that a YARN problem to 

> YARN should have a way to run post-application cleanup
> ------------------------------------------------------
>                 Key: YARN-2261
>                 URL: https://issues.apache.org/jira/browse/YARN-2261
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: resourcemanager
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
> See MAPREDUCE-5956 for context. Specific options are at 
> https://issues.apache.org/jira/browse/MAPREDUCE-5956?focusedCommentId=14054562&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14054562.

This message was sent by Atlassian JIRA

Reply via email to