Stanislav Kozlovski created KAFKA-8923:
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Summary: Revisit OnlineReplica state change in reassignments
Key: KAFKA-8923
URL: https://issues.apache.org/jira/browse/KAFKA-8923
Project: Kafka
Issue Type: Improvement
Reporter: Stanislav Kozlovski
In the replica state machine, when switching a partition to an OnlineReplica,
we conditionally send a LeaderAndIsr request when the partition is available in
the `partitionLeadershipInfo` structure. This happens when we switch states
during a partition reassignment. It does not happen when a partition is created
for the first time, as it is not present in `partitionLeadershipInfo` at that
time
This is a bit weird, because an OnlineReplica implies that the replica is
alive, not necessarily in the ISR.
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