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From "Zhankun Tang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6720) Support updating FPGA related constraint node label after FPGA device re-configuration
Date Mon, 19 Jun 2017 03:17:00 GMT
Zhankun Tang created YARN-6720:
----------------------------------

             Summary: Support updating FPGA related constraint node label after FPGA device
re-configuration
                 Key: YARN-6720
                 URL: https://issues.apache.org/jira/browse/YARN-6720
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: yarn
            Reporter: Zhankun Tang


In order to provide a global optimal scheduling for mutable FPGA resource, it seems an easy
and direct way to utilize constraint node labels(YARN-3409) instead of extending the global
scheduler(YARN-3926) to match both resource count and attributes.

The rough idea is that the AM sets the constraint node label expression to request containers
on the nodes whose FPGA devices has the matching IP, and then NM resource handler update the
node constraint label if there's FPGA device re-configuration.



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