Jun Rao created KAFKA-472:
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             Summary: 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
             Fix For: 0.8


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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