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https://issues.apache.org/jira/browse/YARN-9608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16860470#comment-16860470
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jialei weng edited comment on YARN-9608 at 6/11/19 1:58 AM:
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{color:#333333}This solution provides an idea to extend life-cycle of node
local data to the whole application running time. A small question here, if the
application is long running job, the node decommission time will also take
longer? And rely on the time-out? [~abmodi] Please correct me if I
misunderstand.{color}
was (Author: wjlei):
{color:#333333}This solution provides an idea to extend life-cycle of
{color:#333333}node local data to the whole application running time. A small
question here, if the application is long running job, the node decommission
time will also take longer? And rely on the time-out? Please correct me if I
misunderstand.{color}{color}
> DecommissioningNodesWatcher should get lists of running applications on node
> from RMNode.
> -----------------------------------------------------------------------------------------
>
> Key: YARN-9608
> URL: https://issues.apache.org/jira/browse/YARN-9608
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Abhishek Modi
> Assignee: Abhishek Modi
> Priority: Major
> Attachments: YARN-9608.001.patch
>
>
> At present, DecommissioningNodesWatcher tracks list of running applications
> and triggers decommission of nodes when all the applications that ran on the
> node completes. This Jira proposes to solve following problem:
> # DecommissioningNodesWatcher skips tracking application containers on a
> particular node before the node is in DECOMMISSIONING state. It only tracks
> containers once the node is in DECOMMISSIONING state. This can lead to
> shuffle data loss of apps whose containers ran on this node before it was
> moved to decommissioning state.
> # It is keeping track of running apps. We can leverage this directly from
> RMNode.
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