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From "Prabhu Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-9328) ParentQueue#apply move log outside writelock
Date Thu, 28 Feb 2019 15:37:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-9328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prabhu Joseph updated YARN-9328:
--------------------------------
    Attachment: YARN-9328-002.patch

> ParentQueue#apply move log outside writelock
> --------------------------------------------
>
>                 Key: YARN-9328
>                 URL: https://issues.apache.org/jira/browse/YARN-9328
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Prabhu Joseph
>            Priority: Major
>         Attachments: YARN-9328-001.patch, YARN-9328-002.patch
>
>
> {code}
>           LOG.info("assignedContainer" + " queue=" + getQueueName()
>               + " usedCapacity=" + getUsedCapacity() + " absoluteUsedCapacity="
>               + getAbsoluteUsedCapacity() + " used=" + queueUsage.getUsed()
>               + " cluster=" + cluster);
> {code}
> Logging can be done after log.. Logging could reduce performance ..
> {code}
> "Thread-16" #40 daemon prio=5 os_prio=0 tid=0x00007f181f9bb800 nid=0x125 waiting for
monitor entry [0x00007ef163bab000]
>    java.lang.Thread.State: BLOCKED (on object monitor)
> 	at org.apache.log4j.Category.callAppenders(Category.java:204)
> 	- locked <0x00007ef2d803e2b8> (a org.apache.log4j.spi.RootLogger)
> 	at org.apache.log4j.Category.forcedLog(Category.java:391)
> 	at org.apache.log4j.Category.log(Category.java:856)
> 	at org.apache.commons.logging.impl.Log4JLogger.info(Log4JLogger.java:176)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.apply(ParentQueue.java:1336)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.apply(LeafQueue.java:1371)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp.apply(FiCaSchedulerApp.java:665)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.tryCommit(CapacityScheduler.java:2946)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler$ResourceCommitterService.run(CapacityScheduler.java:644)
> {code}



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