[jira] [Created] (YARN-5907) [Umbrella] [YARN-1042] add ability to specify affinity/anti-affinity in container requests

["Wangda Tan (JIRA)" <ji...@apache.org>]

Wangda Tan created YARN-5907:
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             Summary: [Umbrella] [YARN-1042] add ability to specify affinity/anti-affinity in container requests
                 Key: YARN-5907
                 URL: https://issues.apache.org/jira/browse/YARN-5907
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: resourcemanager
    Affects Versions: 3.0.0-alpha1
            Reporter: Steve Loughran
            Assignee: Wangda Tan


container requests to the AM should be able to request anti-affinity to ensure that things like Region Servers don't come up on the same failure zones. 

Similarly, you may be able to want to specify affinity to same host or rack without specifying which specific host/rack. Example: bringing up a small giraph cluster in a large YARN cluster would benefit from having the processes in the same rack purely for bandwidth reasons.



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