Swapnil Ghike created KAFKA-798:
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Summary: Use biased histograms instead of uniform histograms in
KafkaMetricsGroup
Key: KAFKA-798
URL: https://issues.apache.org/jira/browse/KAFKA-798
Project: Kafka
Issue Type: Bug
Affects Versions: 0.8
Reporter: Swapnil Ghike
Assignee: Swapnil Ghike
Priority: Blocker
Fix For: 0.8
A biased histogram produces quantiles which are representative of (roughly) the
last five minutes of data. On the other hand, a uniform histogram produces
quantiles which are valid for the entirely of the histogram’s lifetime. More
discussion at
http://metrics.codahale.com/manual/core/#man-core-histograms-uniform
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