Jian He commented on YARN-2674:

[~chenchun], thanks for your patch. The patch should work fine.
Maybe a more standard way is to use the {{AMRMClient#getMatchingRequests}} to 
find out the matching resourceRequest and then call the removeContainerRequest 
method ?

> Distributed shell AM may re-launch containers if RM work preserving restart 
> happens
> -----------------------------------------------------------------------------------
>                 Key: YARN-2674
>                 URL: https://issues.apache.org/jira/browse/YARN-2674
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Chun Chen
>         Attachments: YARN-2674.1.patch
> Currently, if RM work preserving restart happens while distributed shell is 
> running, distribute shell AM may re-launch all the containers, including 
> new/running/complete. We must make sure it won't re-launch the 
> running/complete containers.
> We need to remove allocated containers from 
> AMRMClientImpl#remoteRequestsTable once AM receive them from RM. 

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