Unfortunately, I found the documentation to be very lackluster. However, I have actually begun to use the Yammer Metrics library in other projects, so I have a much better understanding of what it generates. Thank you for the response!
(also, for some strange reason, I am just getting the email now, on 5/16, even though it says you replied 5/7--weird) Andrew On Wed, May 7, 2014 at 11:00 AM, Chris Burroughs <chris.burrou...@gmail.com>wrote: > They are exponential decaying moving averages (like Unix load averages) of > the number of events per unit of time. > > http://wiki.apache.org/cassandra/Metrics might help > > > On 04/17/2014 06:06 PM, Redmumba wrote: > >> Good afternoon, >> >> I'm attempting to integrate the metrics generated via JMX into our >> internal >> framework; however, the information for several of the metrics includes a >> One/Five/Fifteen-minute "rate", with the RateUnit in "SECONDS". For >> example: >> >> $>get -b >> >>> org.apache.cassandra.metrics:name=Latency,scope=Write,type=ClientRequest >>> * >>> #mbean = >>> org.apache.cassandra.metrics:name=Latency,scope=Write,type= >>> ClientRequest: >>> LatencyUnit = MICROSECONDS; >>> >>> EventType = calls; >>> >>> RateUnit = SECONDS; >>> >>> MeanRate = 383.6944837362387; >>> >>> FifteenMinuteRate = 868.8420188648543; >>> >>> FiveMinuteRate = 817.5239450236011; >>> >>> OneMinuteRate = 675.7673129014964; >>> >>> Max = 498867.0; >>> >>> Count = 31257426; >>> >>> Min = 52.0; >>> >>> 50thPercentile = 926.0; >>> >>> Mean = 1063.114029159023; >>> >>> StdDev = 1638.1542477604232; >>> >>> 75thPercentile = 1064.75; >>> >>> 95thPercentile = 1304.55; >>> >>> 98thPercentile = 1504.3999999999992; >>> >>> 99thPercentile = 2307.3500000000104; >>> >>> 999thPercentile = 10491.850000000002; >>> >>> >> What does the rate signify in this context? For example, given the >> OneMinuteRate of 675.7673129014964 and the unit of "seconds"--what is >> this >> measuring? Is this the rate of which metrics are submitted? i.e., there >> were an average of (676 * 60 seconds) metrics submitted over the last >> minute? >> >> Thanks! >> >> >
