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Kafka >> mail # dev >> [jira] [Commented] (KAFKA-755) standardizing json values stored in ZK


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

    [ https://issues.apache.org/jira/browse/KAFKA-755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13577218#comment-13577218 ]

Jun Rao commented on KAFKA-755:
-------------------------------

Proposed the new format in https://cwiki.apache.org/confluence/display/KAFKA/Kafka+data+structures+in+Zookeeper

                
> 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
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Priority: Blocker
>             Fix For: 0.8
>
>
> 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":"0,1","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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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB