Yixue (Andrew) Zhu created BOOKKEEPER-441:
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Summary: InMemorySubscriptionManager should back up top2sub2seq
before change it
Key: BOOKKEEPER-441
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-441
Project: Bookkeeper
Issue Type: Bug
Components: hedwig-server
Affects Versions: 4.3.0
Environment: unix
Reporter: Yixue (Andrew) Zhu
Priority: Minor
Fix For: 4.3.0
On topic loss, InMemorySubscriptionManager currently does not clear
top2sub2seq. The intent is to allow readSubscription to get the information
there. This introduce dependency outside the class, evidence is that general
ReleaseOp has to use a boolean parameter which targets this implementation
detail. Further, this prevents Acquire-topic to notify listeners
(notifyFirstLocalSubscribe is not called) of first subscription to act
appropriately.
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