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Posted to yarn-issues@hadoop.apache.org by "Arun Suresh (JIRA)" <ji...@apache.org> on 2016/12/06 15:21:58 UTC
[jira] [Updated] (YARN-5292) NM Container lifecycle and state
transitions to support for PAUSED container state.
[ https://issues.apache.org/jira/browse/YARN-5292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun Suresh updated YARN-5292:
------------------------------
Summary: NM Container lifecycle and state transitions to support for PAUSED container state. (was: Support for PAUSED container state for OPPORTUNISTIC containers)
> NM Container lifecycle and state transitions to 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
> Assignee: Hitesh Sharma
> Attachments: YARN-5292.001.patch, YARN-5292.002.patch, YARN-5292.003.patch, YARN-5292.004.patch, YARN-5292.005.patch, yarn-5292.pdf
>
>
> YARN-2877 introduced OPPORTUNISTIC containers, and YARN-5216 proposes to add 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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