Stephan Ewen created FLINK-4233:
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Summary: Simplify leader election / leader session ID assignment
Key: FLINK-4233
URL: https://issues.apache.org/jira/browse/FLINK-4233
Project: Flink
Issue Type: Improvement
Components: Distributed Coordination
Affects Versions: 1.0.3
Reporter: Stephan Ewen
Currently, there are two separate actions and znodes involved in leader
election and communication of the leader session ID and leader URL.
This leads to some quite elaborate code that tries to make sure that the leader
session ID and leader URL always eventually converge to those of the leader.
It is simpler to just encode both the ID and the URL into an id-string that is
attached to the leader latch znode. One would have to create a new leader latch
each time a contender re-applies for leadership.
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