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Posted to yarn-issues@hadoop.apache.org by "Botong Huang (JIRA)" <ji...@apache.org> on 2017/05/05 20:42:04 UTC

[jira] [Updated] (YARN-6565) Fix memory leak and finish app trigger in AMRMProxy

     [ https://issues.apache.org/jira/browse/YARN-6565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Botong Huang updated YARN-6565:
-------------------------------
    Attachment: YARN-6565.v1.patch

> Fix memory leak and finish app trigger in AMRMProxy
> ---------------------------------------------------
>
>                 Key: YARN-6565
>                 URL: https://issues.apache.org/jira/browse/YARN-6565
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>         Attachments: YARN-6565.v1.patch
>
>
> Two issues in AMRMProxy:
> 1. When application finishes, AMRMTokenSecretManager is not updated to remove related data, leading to memory leak. 
> 2. When we kill an application, we should remove the pipeline after the AM container is killed. 
> FINISH_APPLICATION event is sent when the AM container is still being killed. After we remove the pipeline, we might still get heartbeats from AM, triggering exception messages. 
> Instead, we should wait for APPLICATION_RESOURCES_CLEANEDUP event, sent after where the AM container is killed. 



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