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https://issues.apache.org/jira/browse/BOOKKEEPER-407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457915#comment-13457915
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Aniruddha commented on BOOKKEEPER-407:
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[~hustlmsp]
It doesn't hit the synchronized block every time. Before hitting the
synchronized block, we always check if the existing host is the same as the
channel's remote address. If it is, we just return. We will hit the
synchronized block only when a topic moves. And I don't think that will be too
frequent.
> Hedwig client doesn't remove old topic2Host mapping in case of redirect
> -----------------------------------------------------------------------
>
> Key: BOOKKEEPER-407
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-407
> Project: Bookkeeper
> Issue Type: Bug
> Affects Versions: 4.2.0
> Reporter: Aniruddha
> Fix For: 4.2.0
>
> Attachments: BK-407.patch
>
>
> In the storeTopic2HostMapping function, there is a topic2Host.putIfAbsent().
> This doesn't seem correct as we should always update the mapping in case of a
> redirect.
> Reviewboard : https://reviews.apache.org/r/7139/
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