[jira] [Created] (KAFKA-755) standardizing json values stored in ZK

["Jun Rao (JIRA)" <ji...@apache.org>]

Jun Rao created KAFKA-755:
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             Summary: standardizing json values stored in ZK
                 Key: KAFKA-755
                 URL: https://issues.apache.org/jira/browse/KAFKA-755
             Project: Kafka
          Issue Type: Bug
          Components: core
            Reporter: Jun Rao
            Priority: Blocker


Currently, we have the following paths in ZK that stores non-singleton values.

1. Topic assignment value:
/brokers/topics/topic
{ "0": ["0"] }

2. LeaderAndISR info:
/brokers/topics/test/partitions/0/leaderAndISR
{ "ISR":"0","leader":"0","controllerEpoch":"1","leaderEpoch":"0" }

3. broker registration:
/brokers/ids/0
192.168.1.148:9092:9999

4. partition reassignment path

It would be good if we do the following:
a. make them true json (e.g., using number as the value for broker/partition, instead of string).
b. add version support for future growth.




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