Anubhav Dhoot updated YARN-2005:
    Attachment: YARN-2005.007.patch

Attached patch makes a couple of changes. Instead of adding a new scheduler api 
it uses the same allocate call to update the system blacklist. The scheduler 
updates and uses system/user blacklist based on whether its a AM launch or not. 
It also tracks the cause of the container failure to decide whether to 
blacklist the Node or not. If we need to consider other reasons for 
blacklisting I propose we use followup jiras in order to make progress on this 

> Blacklisting support for scheduling AMs
> ---------------------------------------
>                 Key: YARN-2005
>                 URL: https://issues.apache.org/jira/browse/YARN-2005
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 0.23.10, 2.4.0
>            Reporter: Jason Lowe
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-2005.001.patch, YARN-2005.002.patch, 
> YARN-2005.003.patch, YARN-2005.004.patch, YARN-2005.005.patch, 
> YARN-2005.006.patch, YARN-2005.006.patch, YARN-2005.007.patch
> It would be nice if the RM supported blacklisting a node for an AM launch 
> after the same node fails a configurable number of AM attempts.  This would 
> be similar to the blacklisting support for scheduling task attempts in the 
> MapReduce AM but for scheduling AM attempts on the RM side.

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