The Changelog: Software Development, Open Source Chasing the 9s (Interview)
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Mar 9, 2023 
Marcin Kurc, Co-founder and CEO of Nobl9, dives into the world of service level objectives (SLOs) this week. He discusses how SLOs can improve customer satisfaction and align teams on goals. Marcin explores the evolution from traditional spreadsheets to real-time insights, emphasizing the significance of error budgets in incident management. He also reflects on entrepreneurial challenges and the transformative potential of future tools in the SLO space. Tune in for insights on creating operational integrity and boosting software development practices!
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SLOs and Customer Happiness
- SLOs (service-level objectives) help teams understand and build infrastructure to customer satisfaction.
- They find a balance between 100% availability and constant failures.
Cost of Nines
- Chasing high nines (e.g., five 9s or higher) in availability becomes increasingly expensive.
- Three and a half nines (99.95%) or four nines is a good balance.
SLOs vs. SLAs
- Traditional SLAs (service-level agreements) are legal constructs, often rigid and complex.
- SLOs offer real-time transparency for both internal and external customers.