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[fix][broker] Return getOwnerAsync without waiting on source broker upon Assigning and Releasing and handle role change during role init - #22112
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…pon Assigning and Releasing and handle role change during role init (apache#22112) (cherry picked from commit 56eb758)
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…pon Assigning and Releasing and handle role change during role init (apache#22112) (cherry picked from commit 56eb758)
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…rce broker upon Assigning and Releasing and handle role change during role init (apache#22112) (apache#22156) (cherry picked from commit b3b1bfb) (cherry picked from commit 58a45aa)
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…rce broker upon Assigning and Releasing and handle role change during role init (apache#22112) (apache#22156) (cherry picked from commit b3b1bfb) (cherry picked from commit 58a45aa)
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…pon Assigning and Releasing and handle role change during role init (apache#22112)
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Motivation
Upon Assigning and Releasing, if this broker is not the dst broker, return the dst broker as the owner(or empty). Clients need to connect(redirect) to the dst broker anyway and wait for the dst broker to receive
Owned. This is also required to return getOwnerAsync on the src broker immediately during unloading. Otherwise, topic creation(getOwnerAsync) could block unloading bundles, if the topic creation(getOwnerAsync) happens during unloading on the src broker.Found a case that the broker role might change in the middle while running playLeader or playFollower. In this case, we need to break the init loop and restart playLeader or playFollower according to the current role.
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docdoc-requireddoc-not-neededdoc-completeMatching PR in forked repository
PR in forked repository: heesung-sohn#63