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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-8184) Too many metrics if containerLocalizer/ResourceLocalizationService uses ReadWriteDiskValidator
Date Thu, 19 Apr 2018 21:17:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-8184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu reassigned YARN-8184:
------------------------------

    Assignee: Yufei Gu

> Too many metrics if containerLocalizer/ResourceLocalizationService uses ReadWriteDiskValidator
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-8184
>                 URL: https://issues.apache.org/jira/browse/YARN-8184
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>            Priority: Major
>         Attachments: YARN-8184.001.patch
>
>
> ContainerLocalizer or ResourceLocalizationService will use the ReadWriteDiskValidator
as its disk validator when it downloads files if we configure the yarn.nodemanger.disk-validator
to ReadWriteDiskValidator's name. In that case, ReadWriteDiskValidator will create a metric
item for each directory localized, which will be too many metrics. We should let ContainerLocalizer
only use the basic disk validator.



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