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From "David Ormsbee (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-223) Add metadata requests to Kafka broker
Date Tue, 06 Dec 2011 17:59:41 GMT
Add metadata requests to Kafka broker
-------------------------------------

                 Key: KAFKA-223
                 URL: https://issues.apache.org/jira/browse/KAFKA-223
             Project: Kafka
          Issue Type: Improvement
          Components: clients, core
            Reporter: David Ormsbee


It would be useful to be able to query metadata from Kafka for the purposes of monitoring
and discovery:

1. Version: Just a quick way to get the broker version so that we know not to send it a version
of a request or response that it can't handle.

2. Topic information: Return the default number of partitions per topic, a list of all topics,
number of partitions per topic if there are overrides, and start/end offsets for those topics
(assuming it's cheap to do so). This would allow Consumers and Producers to discover topics
and partitions on a single broker without involving ZooKeeper, and would also make it easier
to know how many partitions can be sent to when making a new topic with a ZK-aware Producer.

Discussed in thread:
 http://mail-archives.apache.org/mod_mbox/incubator-kafka-dev/201112.mbox/%3CCALStshY02xT7b2n-%3DDjTF_QifEzjxWnCvmgRhSu8v8-ibbSGyQ%40mail.gmail.com%3E



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