[KAFKA-472] update metadata in batches in Producer

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.2.0
• Component/s: core
• Labels: optimization
• Assignee: Unassigned
• Reporter: Jun Rao
• Created: 20/Aug/12 15:40
• Updated: 03/Apr/14 14:26
• Resolved: 03/Apr/14 14:26

Description

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.