TisonKun created FLINK-11749:
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Summary: Returns the stored leadership on
ZooKeeperLeaderRetrievalService stated
Key: FLINK-11749
URL: https://issues.apache.org/jira/browse/FLINK-11749
Project: Flink
Issue Type: Improvement
Components: Distributed Coordination
Affects Versions: 1.9.0
Reporter: TisonKun
Assignee: TisonKun
Fix For: 1.9.0
Currently, such as in {{JobMaster}}, if we stop a
{{ZooKeeperLeaderRetrievalService}} and restart it, because the cached node
data isn't change, we have to manually flush it.
I propose on {{ZooKeeperLeaderRetrievalService}} stated, get {{ChildData}} from
{{NodeCache}} and if the data isn't null, generate LeadershipInfo(Address and
UUID) and notify the listener.
cc [~till.rohrmann]
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