[fix][broker] Fix namespace bundle stuck in unloading status (#21445) #21566
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PR #21231 made user topic creation rely on system topic `__change_event` if the user is enabling `topicLevelPoliciesEnabled`. It will introduce a race condition with namespace bundle unloading. All creating topics want to create `__change_event` reader but constantly fail by namespace-bundle inactive and retry mechanism. Unfortunately, the namespace-bundle unloading operation is waiting for all the topics to be completed and then release inactive status. Therefore, they will be stuck in a deadlock until one gets a timeout. - Get the topic policy before loading. (cherry picked from commit 428c18c)
poorbarcode
approved these changes
Nov 20, 2023
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Motivation
Cherry-pick #21445 to branch-2.11
doc-not-needed