KAFKA-9965/KAFKA-13303: RoundRobinPartitioner broken by KIP-480 #20114
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jim0987795064
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jim0987795064
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RoundRobinPartitioner behaviour was broken by sticky partitioning (KIP-480).
This patch addresses the behavioural issue caused by the second call to
partition()afteronNewBatch(), in a predictable and thread-safe manner.Unit tested by simulation of multiple threads producing to two topics with race conditions.
Committer Checklist (excluded from commit message)