Re: Expensive metrics?

2018-02-28 Thread Chris Lohfink
> our histograms when built with a Meter use a ExponentiallyDecayingReservoir > but our histograms built directly use DecayingEstimatedHistogramReservoir > algorithm Meters dont use a decaying reservoir, they use EMWA

Re: Expensive metrics?

2018-02-28 Thread Michael Burman
Hi, I wrote CASSANDRA-14281 for the initial idea and where I ended up with my current prototype. This maintains the current layout of the JMX metrics so it shouldn't be visible to users. Should, because I couldn't really find any definition of our metrics. For example, our histograms when