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These metrics should be aggregated over a short period of time (5-10 seconds) before we declare a quota violation. This reduces the likelihood of bursts in traffic. In addition, replication traffic will be exempt from quotas. 

Quota Distribution

Provisioned quota will be split equally among all the partitions of a topic. For example: If a topic T has 8 partitions and total configured write throughput of 8MBps, each partition gets 1Mbps. If a broker hosts 3 leader partitions for T, then that topic is allowed 3MBps on that broker regardless of the partitions that traffic is directed to.

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