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From "Yang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6966) NodeManager metrics may return wrong negative values when NM restart
Date Tue, 15 Aug 2017 06:02:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-6966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yang Wang updated YARN-6966:
----------------------------
    Attachment: YARN-6966.002.patch

update the patch

> NodeManager metrics may return wrong negative values when NM restart
> --------------------------------------------------------------------
>
>                 Key: YARN-6966
>                 URL: https://issues.apache.org/jira/browse/YARN-6966
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Yang Wang
>         Attachments: YARN-6966.001.patch, YARN-6966.002.patch
>
>
> Just as YARN-6212. However, I think it is not a duplicate of YARN-3933.
> The primary cause of negative values is that metrics do not recover properly when NM
restart.
> AllocatedContainers,ContainersLaunched,AllocatedGB,AvailableGB,AllocatedVCores,AvailableVCores
in metrics also need to recover when NM restart.
> This should be done in ContainerManagerImpl#recoverContainer.
> The scenario could be reproduction by the following steps:
> # Make sure YarnConfiguration.NM_RECOVERY_ENABLED=true,YarnConfiguration.NM_RECOVERY_SUPERVISED=true
in NM
> # Submit an application and keep running
> # Restart NM
> # Stop the application
> # Now you get the negative values
> {code}
> /jmx?qry=Hadoop:service=NodeManager,name=NodeManagerMetrics
> {code}
> {code}
> {
> name: "Hadoop:service=NodeManager,name=NodeManagerMetrics",
> modelerType: "NodeManagerMetrics",
> tag.Context: "yarn",
> tag.Hostname: "hadoop1111.com",
> ContainersLaunched: 0,
> ContainersCompleted: 0,
> ContainersFailed: 2,
> ContainersKilled: 0,
> ContainersIniting: 0,
> ContainersRunning: 0,
> AllocatedGB: 0,
> AllocatedContainers: -2,
> AvailableGB: 160,
> AllocatedVCores: -11,
> AvailableVCores: 3611,
> ContainerLaunchDurationNumOps: 2,
> ContainerLaunchDurationAvgTime: 6,
> BadLocalDirs: 0,
> BadLogDirs: 0,
> GoodLocalDirsDiskUtilizationPerc: 2,
> GoodLogDirsDiskUtilizationPerc: 2
> }
> {code}



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