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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2016/12/09 22:34:59 UTC
[jira] [Updated] (YARN-5893) Experiment with using PriorityQueue
for storing starved applications
[ https://issues.apache.org/jira/browse/YARN-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-5893:
-----------------------------------
Parent Issue: YARN-5990 (was: YARN-4752)
> Experiment with using PriorityQueue for storing starved applications
> --------------------------------------------------------------------
>
> Key: YARN-5893
> URL: https://issues.apache.org/jira/browse/YARN-5893
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Affects Versions: 2.9.0
> Reporter: Karthik Kambatla
>
> FSStarvedApps currently uses a BlockingQueue to store starved applications. This leads to storing the apps in the order they were processed instead of their priorities. Using a PriorityQueue will ensure we preempt for the highest priority apps first.
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