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OBSERVABILITY-BASICS4 MIN READ

SLI/SLO Pocket Deck

Recall and explain SLI, SLO, SLA, and error budget in operational language.

What is an SLI in plain language? A service level indicator is the measurement of a service behavior users care about. Example: percentage of valid checkout requests that complete successfully under 1 second. Recall SLI vs SLO: what changes? The SLO wraps a target and window around the SLI. Can we just call it an SLA so customers feel safer? A stakeholder wants stronger language than the team can support. Your line Let's call the internal target an SLO unless there are customer-facing consequences. If Legal and Support want an SLA, we need the measurement and consequence defined together. Using…

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