Till Rohrmann created FLINK-7655:
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Summary: Revisit default non-leader id for FencedRpcEndpoints
Key: FLINK-7655
URL: https://issues.apache.org/jira/browse/FLINK-7655
Project: Flink
Issue Type: Bug
Components: Distributed Coordination
Affects Versions: 1.4.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Priority: Minor
Currently, when a {{FencedRpcEndpoint}} loses leadership, we set its leader id
to a random value. This can be problematic, even though it's unlikely, because
we might set it to a value which is used somewhere else (e.g. the currently
valid leader id). I think it would be better to simply set the leader id to
{{null}} in order to properly encode that the {{FencedRpcEndpoint}} is no
longer a leader.
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