Latency Histograms
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Key: CASSANDRA-1024
URL: https://issues.apache.org/jira/browse/CASSANDRA-1024
Project: Cassandra
Issue Type: Improvement
Reporter: Ryan King
In addition to total and recent latency, I would like to keep track of
histograms. We have a way for doing estimated histograms (whose error domain
gets worse the higher the latency and whose storage requirements are constant).
It works pretty well for us:
http://github.com/robey/ostrich/blob/master/src/main/scala/com/twitter/ostrich/Histogram.scala
I'm planning on doing the work, but wanted to know if it would be useful to
others.
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