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https://issues.apache.org/jira/browse/KAFKA-2191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562074#comment-14562074
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Dong Lin commented on KAFKA-2191:
---------------------------------
Updated reviewboard https://reviews.apache.org/r/34170/diff/
against branch origin/trunk
> 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
> Attachments: KAFKA-2191.patch, KAFKA-2191.patch,
> KAFKA-2191_2015-05-13_15:32:15.patch, KAFKA-2191_2015-05-14_00:34:30.patch,
> KAFKA-2191_2015-05-27_17:28:41.patch
>
>
> 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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