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https://issues.apache.org/jira/browse/KAFKA-472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13958033#comment-13958033
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Guozhang Wang commented on KAFKA-472:
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Is this still an issue with the new producer?
> update metadata in batches in Producer
> --------------------------------------
>
> Key: KAFKA-472
> URL: https://issues.apache.org/jira/browse/KAFKA-472
> Project: Kafka
> Issue Type: Bug
> Components: core
> Reporter: Jun Rao
> Labels: optimization
> Fix For: 0.9.0
>
>
> Currently, the producer obtains the metadata of topics being produced one at
> a time. This means that tools like mirror maker will make many getMetadata
> requests to the broker. Ideally, we should make
> BrokerPartition.getBrokerPartitionInfo() a batch api that takes a list of
> topics.
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