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https://issues.apache.org/jira/browse/BOOKKEEPER-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453914#comment-13453914
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Sijie Guo commented on BOOKKEEPER-402:
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I think the jira is similar to BOOKKEEPER-75. I had a fix to close subscription
channels when lostTopic, which is as part of BOOKKEEPER-252 (it also about
closing subscription channels).
The easy way is to call deliveryManager#stopServing in subscription manager in
ReleaseTopic. since it has the subscription list for a topic, we don't need to
maintain another mapping in SubHandler as you proposed in your patch.
If BOOKKEEPER-252 is ready to be in recently, I think we don't need to fix it
again here.
BTW, when you sent a review request, it would be better to attach the patch
here too and change the status of the jira to patch available. :-)
> Hedwig hub should close subscription channels on losing a topic
> ---------------------------------------------------------------
>
> Key: BOOKKEEPER-402
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-402
> Project: Bookkeeper
> Issue Type: Bug
> Components: hedwig-server
> Reporter: Aniruddha
>
> If a hub were to lose a topic, it doesn't stop delivery for that topic and
> keeps the subscription channels open. It should actively close it and stop
> delivery for all subscribers for that topic connected to it.
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