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Posted to jira@kafka.apache.org by "Anna Povzner (Jira)" <ji...@apache.org> on 2020/09/03 05:45:00 UTC

[jira] [Created] (KAFKA-10458) Need a way to update quota for TokenBucket registered with Sensor

Anna Povzner created KAFKA-10458:
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             Summary: Need a way to update quota for TokenBucket registered with Sensor
                 Key: KAFKA-10458
                 URL: https://issues.apache.org/jira/browse/KAFKA-10458
             Project: Kafka
          Issue Type: Improvement
          Components: clients
            Reporter: Anna Povzner
            Assignee: Anna Povzner
             Fix For: 2.7.0


For Rate() metric with quota config, we update quota by updating config of KafkaMetric. However, it is not enough for TokenBucket, because it uses quota config on record() to properly calculate the number of tokens. Sensor passes config stored in the corresponding StatAndConfig, which currently never changes. This means that after updating quota via KafkaMetric.config, our current and only method, Sensor will record the value using old quota but then measure the value to check for quota violation using the new quota value. 



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