Re: [go-nuts] Re: Different latency inside and outside

2017-03-19 Thread a . petrovsky
воскресенье, 19 марта 2017 г., 20:46:16 UTC+3 пользователь Jesper Louis Andersen написал: > > On Sun, Mar 19, 2017 at 4:58 PM Alexander Petrovsky > wrote: > >> >> > * The 99th percentile ignores the 40 slowest queries. What does the 99.9, >>> 9.99, ... and max percentiles look like? >>> >> >

Re: [go-nuts] Re: Different latency inside and outside

2017-03-19 Thread Jesper Louis Andersen
On Sun, Mar 19, 2017 at 4:58 PM Alexander Petrovsky wrote: * The 99th percentile ignores the 40 slowest queries. What does the 99.9, 9.99, ... and max percentiles look like? I'v have no answer to this question. And I don't know how it can help me? Usually, the maximum latency is a better in

Re: [go-nuts] Re: Different latency inside and outside

2017-03-19 Thread Alexander Petrovsky
Hello, Jesper! Nice to see not only in erlang community! воскресенье, 19 марта 2017 г., 18:09:17 UTC+3 пользователь Jesper Louis Andersen написал: > > My approach is usually this: > > When a problem like this occurs, I very quickly switch from random > guessing at what the problem can be into a

Re: [go-nuts] Re: Different latency inside and outside

2017-03-19 Thread Jesper Louis Andersen
My approach is usually this: When a problem like this occurs, I very quickly switch from random guessing at what the problem can be into a mode where I try to verify the mental model I have of the system. Your mental model is likely wrong, and thus it is leading you astray in what the problem migh