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From "mujunchao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3857) Memory leak in ResourceManager with SIMPLE mode
Date Fri, 26 Jun 2015 10:21:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

mujunchao updated YARN-3857:
----------------------------
    Attachment: hadoop-yarn-server-resourcemanager.patch

never register org.apache.hadoop.yarn.server.resourcemanager.security.ClientToAMTokenSecretManagerInRM.masterKeys
while SecretKey is null.

> Memory leak in ResourceManager with SIMPLE mode
> -----------------------------------------------
>
>                 Key: YARN-3857
>                 URL: https://issues.apache.org/jira/browse/YARN-3857
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: mujunchao
>            Priority: Critical
>         Attachments: hadoop-yarn-server-resourcemanager.patch
>
>
>  We register the ClientTokenMasterKey to avoid client may hold an invalid ClientToken
after RM restarts. In SIMPLE mode, we register Pair<ApplicationAttemptId, null> ,  But
we never remove it from HashMap, as unregister only runing while in Security mode, so memory
leak coming. 



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