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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4278) On AM registration, response should include cluster Nodes report on demanded by registration request.
Date Tue, 20 Oct 2015 06:39:27 GMT
Rohith Sharma K S created YARN-4278:
---------------------------------------

             Summary: On AM registration, response should  include cluster Nodes report on
demanded by registration request.
                 Key: YARN-4278
                 URL: https://issues.apache.org/jira/browse/YARN-4278
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: api
            Reporter: Rohith Sharma K S
            Assignee: Rohith Sharma K S


>From the yarn-dev mailing list discussion thread [Thread-1|http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201510.mbox/%3C0EE80F6F7A98A64EBD18F2BE839C91156798AFB3@szxeml512-mbs.china.huawei.com%3E]
[Thread-2|http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201510.mbox/%3C4F7812FC-AB5D-465D-AC89-82473569817E@hortonworks.com%3E]

Slider required to know about cluster nodes details for providing support for affinity/anti-affinity
on containers.

Current behavior : During life span of application , updatedNodes are sent in allocate request
only if there are any change like added/removed/'state change' in the nodes. Otherwise cluster
nodes not updated to AM.

One of the approach thought by [~stevel@apache.org] is while AM registration let response
hold the cluster nodes report



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