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https://issues.apache.org/jira/browse/KAFKA-369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13789893#comment-13789893
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Otis Gospodnetic commented on KAFKA-369:
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Interesting.  Sounds like brokers act as "portals into the whole Kafka 
cluster", so to speak.  I wasn't aware of these ZK issues.  Just for my 
edification - are those issues specific to the ZK client that was used or how 
it was used in Kafka producer?

> remove ZK dependency on producer
> --------------------------------
>
>                 Key: KAFKA-369
>                 URL: https://issues.apache.org/jira/browse/KAFKA-369
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Assignee: Yang Ye
>             Fix For: 0.8
>
>         Attachments: kafka_369_v1.diff, kafka_369_v2.diff, kafka_369_v3.diff, 
> kafka_369_v4.diff, kafka_369_v5.diff, kafka_369_v6.diff, kafka_369_v7.diff, 
> kafka_369_v8.diff, kafka_369_v9.diff
>
>   Original Estimate: 252h
>  Remaining Estimate: 252h
>
> Currently, the only place that ZK is actually used is in BrokerPartitionInfo. 
> We use ZK to get a list of brokers for making TopicMetadataRequest requests. 
> Instead, we can provide a list of brokers in the producer config directly. 
> That way, the producer client is no longer dependant on ZK.



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