Latency SLOs Done Right

Wednesday, March 27, 2019 - 2:20 pm2:50 pm

Fred Moyer, Circonus

Abstract: 

Median, average, 90th, 99th percentile. We've all seen these metrics on our monitoring systems, both open source and from commercial vendors, but often they are used incorrectly when constructing Service Level Objectives. This session will show three different approaches to correctly calculating latency SLOs, and how histograms can be used to calculate mathematically correct quantiles and set SLOs based on those.

Fred Moyer, Circonus

Fred Moyer is a Developer Evangelist for Circonus, where he likes to apply math to ridiculously large sets of data. Fred is a recovering Perl and C programmer, and these days likes to hack in Go and is learning Lua. He is a 2013 White Camel award winner, Apache Software Foundation member, and has worked in software engineering and reliability roles for the last 18 years.

SREcon19 Americas Open Access Videos Sponsored by
Salesforce

Open Access Media

USENIX is committed to Open Access to the research presented at our events. Papers and proceedings are freely available to everyone once the event begins. Any video, audio, and/or slides that are posted after the event are also free and open to everyone. Support USENIX and our commitment to Open Access.

BibTeX
@conference {229581,
author = {Fred Moyer},
title = {Latency SLOs Done Right},
year = {2019},
address = {Brooklyn, NY},
publisher = {{USENIX} Association},
month = mar,
}

Presentation Video