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https://issues.apache.org/jira/browse/KAFKA-2275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14624307#comment-14624307
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Guozhang Wang commented on KAFKA-2275:
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[~mtomcat_sslavic] partitionsFor() can only be used to get the #.partitions of
a given topic, but for some scenarios the consumer does not know what topic
names are there that are of its interests and hence the need of another
listTopic().
> Add a ListTopic() API to the new consumer
> -----------------------------------------
>
> Key: KAFKA-2275
> URL: https://issues.apache.org/jira/browse/KAFKA-2275
> Project: Kafka
> Issue Type: Sub-task
> Components: consumer
> Reporter: Guozhang Wang
> Priority: Critical
> Fix For: 0.8.3
>
>
> One usecase for this API is for consumers that want specific partition
> assignment with regex subscription. For implementation, it involves sending a
> TopicMetadataRequest to a random broker and parse the response.
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