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From "huiyangjian (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-9861) The ResourceManager log reports an error "Too many open files", the analysis is related to the service
Date Fri, 08 Nov 2019 10:45:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-9861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

huiyangjian resolved YARN-9861.
-------------------------------
    Resolution: Fixed

https://issues.apache.org/jira/browse/YARN-9837

The stream is not closed,The load method needs to be added"IOUtils.closeStream(dataInputStream);"

> The ResourceManager log reports an error "Too many open files", the analysis is related
to the service
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-9861
>                 URL: https://issues.apache.org/jira/browse/YARN-9861
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn-native-services
>    Affects Versions: 3.3.0
>         Environment: yarn version:3.3.0-SNAPSHOT
> hdfs version:2.7.1
>            Reporter: huiyangjian
>            Priority: Major
>         Attachments: picture1.png, picture2.png, picture3.png, picture4.png, picture5.png,
submarine_kerasgesv2date20190807.json
>
>
> The ResourceManager log outputs "Too many open files" and cannot commit a new task.
> 1. First is the error in picture1,
> 2. Then check the file handle open by RM (lsof -p PID), see picture 2,
> 3. Also read nameNode audit log (picture 3),
> 4. Confirm about service according to the path of service configuration (picture 4),
> 5. Handle number growth trend (picture 5).



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