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Posted to yarn-dev@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2016/11/03 20:44:58 UTC
[jira] [Created] (YARN-5829) FS preemption should reserve a node
before considering containers on it for preemption
Karthik Kambatla created YARN-5829:
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Summary: FS preemption should reserve a node before considering containers on it for preemption
Key: YARN-5829
URL: https://issues.apache.org/jira/browse/YARN-5829
Project: Hadoop YARN
Issue Type: Sub-task
Components: fairscheduler
Reporter: Karthik Kambatla
FS preemption evaluates nodes for preemption, and subsequently preempts identified containers. If this node is not reserved for a specific application, any other application could be allocated resources on this node.
Reserving the node for the starved application before preempting containers would help avoid this.
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