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From "Eron Wright (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5974) Support Mesos DNS
Date Mon, 06 Mar 2017 20:01:32 GMT
Eron Wright  created FLINK-5974:

             Summary: Support Mesos DNS
                 Key: FLINK-5974
                 URL: https://issues.apache.org/jira/browse/FLINK-5974
             Project: Flink
          Issue Type: Improvement
          Components: Cluster Management, Mesos
            Reporter: Eron Wright 
            Assignee: Eron Wright 

In certain Mesos/DCOS environments, the slave hostnames aren't resolvable.  For this and other
reasons, Mesos DNS names would ideally be used for communication within the Flink cluster,
not the hostname discovered via `InetAddress.getLocalHost`.

Some parts of Flink are already configurable in this respect, notably `jobmanager.rpc.address`.
 However, the Mesos AppMaster doesn't use that setting for non-JM addresses (e.g. artifact
server), it uses the hostname.

Similarly, the `taskmanager.hostname` setting isn't used in Mesos deployment mode.   To effectively
use Mesos DNS, the TM should use `<task-name>.<framework-name>.mesos` as its hostname.
  This could be derived from an interpolate configuration string.

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