Conf42: DevOps 2023

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Don't get out of bed for anything less than an SLO

Joe Blubaugh
Principal Software Engineer @ Grafana Labs

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Bad on-call shifts make developers burn out and quit jobs. Noisy alerts that don’t mean anything give us the worst kind of on-call fatigue. Is the site still up? Then who cares if CPU usage is high? Service Level Objectives make alerts meaningful by measuring what really matters in your system. Understanding and monitoring the critical operations that users rely on can give you the confidence to stop getting paged for transient issues that don’t affect end users. Learn how to choose the best indicators and useful objectives so you’ll respond to the right problems if the pager goes off at 3 AM.

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