Till Rohrmann created FLINK-3570:
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Summary: Replace random NIC selection heuristic by
InetAddress.getLocalHost
Key: FLINK-3570
URL: https://issues.apache.org/jira/browse/FLINK-3570
Project: Flink
Issue Type: Improvement
Components: Distributed Runtime
Affects Versions: 1.0.0, 1.1.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Priority: Minor
Currently, the {{ConnectionUtils.findAddressUsingStrategy}} method returns the
first {{NetworkInterface}} whose address is not a loop back address, not a link
local address and an {{Inet4Address}}. Before returning this address, it is
retried to connect to the {{JobManager}} using the {{InetAddress.getLocalHost}}
address a last time.
The heuristic, if not choosing the {{InetAddress.getLocalHost}}, often makes no
sense because it returns a random {{NetworkInterface}} address. It would be
better to simply return the {{InetAddress.getLocalHost()}} instead.
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