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https://issues.apache.org/jira/browse/KAFKA-1367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14160927#comment-14160927
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Magnus Edenhill commented on KAFKA-1367:
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May I suggest not to change the protocol but to only send an empty ISR vector
in the MetadataResponse?
> Broker topic metadata not kept in sync with ZooKeeper
> -----------------------------------------------------
>
> Key: KAFKA-1367
> URL: https://issues.apache.org/jira/browse/KAFKA-1367
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.0, 0.8.1
> Reporter: Ryan Berdeen
> Labels: newbie++
> Attachments: KAFKA-1367.txt
>
>
> When a broker is restarted, the topic metadata responses from the brokers
> will be incorrect (different from ZooKeeper) until a preferred replica leader
> election.
> In the metadata, it looks like leaders are correctly removed from the ISR
> when a broker disappears, but followers are not. Then, when a broker
> reappears, the ISR is never updated.
> I used a variation of the Vagrant setup created by Joe Stein to reproduce
> this with latest from the 0.8.1 branch:
> https://github.com/also/kafka/commit/dba36a503a5e22ea039df0f9852560b4fb1e067c
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