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https://issues.apache.org/jira/browse/KAFKA-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070751#comment-14070751
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nicu marasoiu commented on KAFKA-1549:
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[~jkreps] [~junrao] Hi, can you help me choose from the patches? Thank you, Nicu
> dead brokers coming in the TopicMetadataResponse
> ------------------------------------------------
>
> Key: KAFKA-1549
> URL: https://issues.apache.org/jira/browse/KAFKA-1549
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.2
> Environment: trunk
> Reporter: nicu marasoiu
> Assignee: Jun Rao
> Attachments:
> kafka-1549__only_last_seen_alive_brokers_to_be_responded_part_of_the_topic_metadata_refres.patch,
>
> kafka-1549__without_implicit__only_last_seen_alive_brokers_to_be_responded_part_of_the_top.patch
>
>
> JunRao confirming my observation that brokers are only added to the
> metadataCache, never removed: "The way that we update liveBrokers in
> MetadataCache.updateCache() doesn't seem right. We only add newly received
> live brokers to the list. However, there could be existing brokers in that
> list that are now dead. Those dead brokers shouldn't be returned to the
> clients. We should probably just take the new live broker list and cache it."
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