Onur Karaman created KAFKA-5328:
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             Summary: consider switching json parser from scala to jackson
                 Key: KAFKA-5328
                 URL: https://issues.apache.org/jira/browse/KAFKA-5328
             Project: Kafka
          Issue Type: Sub-task
            Reporter: Onur Karaman
            Assignee: Onur Karaman


The scala json parser is significantly slower than jackson.

This can have a nontrivial impact on controller initialization since the 
controller loads and parses almost all zookeeper state.



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