Daryn Sharp commented on YARN-3760:

Cancelled tokens trigger the retry proxy bug.

> Log aggregation failures 
> -------------------------
>                 Key: YARN-3760
>                 URL: https://issues.apache.org/jira/browse/YARN-3760
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.4.0
>            Reporter: Daryn Sharp
>            Priority: Critical
> The aggregated log file does not appear to be properly closed when writes 
> fail.  This leaves a lease renewer active in the NM that spams the NN with 
> lease renewals.  If the token is marked not to be cancelled, the renewals 
> appear to continue until the token expires.  If the token is cancelled, the 
> periodic renew spam turns into a flood of failed connections until the lease 
> renewer gives up.

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