[jira] [Updated] (YARN-5292) Support for PAUSED container state

["Hitesh Sharma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-5292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hitesh Sharma updated YARN-5292:
--------------------------------
    Summary: Support for PAUSED container state  (was: Support for PAUSED state in a container)

> Support for PAUSED container state
> ----------------------------------
>
>                 Key: YARN-5292
>                 URL: https://issues.apache.org/jira/browse/YARN-5292
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Hitesh Sharma
>
> JIRA 2877 introduced OPPORTUNISTIC containers, and JIRA 5216 adds capability to customize how OPPORTUNISTIC containers get preempted.
> In this JIRA we propose introducing a PAUSED container state.
> When a running container gets preempted, it enters the PAUSED state, where it remains until resources get freed up on the node then the preempted container can resume to the running state.
>  
> One scenario where this capability is useful is work preservation. How preemption is done, and whether the container supports it, is implementation specific.
> For instance, if the container is a virtual machine, then preempt would pause the VM and resume would restore it back to the running state.
> If the container doesn't support preemption, then preempt would default to killing the container. 
>  



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