Dong Lin created KAFKA-2191:
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             Summary: Measured rate should not be infinite
                 Key: KAFKA-2191
                 URL: https://issues.apache.org/jira/browse/KAFKA-2191
             Project: Kafka
          Issue Type: Bug
            Reporter: Dong Lin
            Assignee: Dong Lin


Rate.measure() is called, it calculates elapsed time as now - 
stat.oldest(now).lastWindowMs. But the stat.oldest(now) may equal now due to 
the way SampledStat is implemented. As a result, Rate.measure() may return 
Infinite. 

This bug needs to be fixed in order for quota implementation to work properly.



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