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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