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Posted to yarn-issues@hadoop.apache.org by "Juanjuan Tian (Jira)" <ji...@apache.org> on 2022/04/06 08:47:00 UTC
[jira] [Assigned] (YARN-11108) Unexpected preemptions happen when hierarchy queues case
[ https://issues.apache.org/jira/browse/YARN-11108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Juanjuan Tian reassigned YARN-11108:
-------------------------------------
Assignee: Juanjuan Tian
> Unexpected preemptions happen when hierarchy queues case
> --------------------------------------------------------
>
> Key: YARN-11108
> URL: https://issues.apache.org/jira/browse/YARN-11108
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Juanjuan Tian
> Assignee: Juanjuan Tian
> Priority: Major
> Attachments: image-2022-04-06-16-29-57-871.png
>
>
> Found unexpected preemptions happen when hierarchy queues case, the issue is that a sub queue can accept resource more than used+pending, leading to other queues {color:#172b4d}IDEAL_ASSIGNED is smaller than used + pending, and preemption happen unexpectedly {color}
>
> 2022-04-02T01:11:12,973 DEBUG [SchedulingMonitor (ProportionalCapacityPreemptionPolicy)] org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.PreemptableResourceCalculator: NAME: MSANRPAB PARTITION: persistent{color:#de350b} CUR: <memory:37934080, vCores:8285, ports:null{color}, [<groupIndex:1, availableCpuCount:-36467, reservedAffinity:\{6, 8, 9, 10, 11, 15, 19, 20, 22, 24, 28}>]> PEN: <memory:0, vCores:0, ports:null> TOTAL_PEN: <memory:0, vCores:0, ports:null> RESERVED: <memory:0, vCores:0, ports:null> GAR: <memory:30720000, vCores:9571, ports:null> NORM: 0.3424696922302246{color:#de350b} IDEAL_ASSIGNED: <memory:37934080, vCores:8903, ports:null>{color} IDEAL_PREEMPT: <memory:0, vCores:0, ports:null> ACTUAL_PREEMPT: <memory:0, vCores:0, ports:null> UNTOUCHABLE: <memory:0, vCores:0, ports:null> PREEMPTABLE: <memory:7214080, vCores:-1286, ports:null, [<groupIndex:1, availableCpuCount:-36467, reservedAffinity:\{6, 8, 9, 10, 11, 15, 19, 20, 22, 24, 28}>]> BONUS_WEIGHT: -1.0
>
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