Learn about culture of tracking Service Level Indicators/Service Level Objectives at Instagram specifically and Meta in general, the tools that we use and how teams’ SLI/SLO workflows can be improved by annotating SLO violations and analysing them later. In the talk we will briefly cover history of SLI/SLO tracking at Meta, then talk about how Instagram team used data annotations to tackle some of the reliability issues they had and how we’re expanding this approach to the whole company.