SLIs, SLOs, error budgets, and other core site reliability engineering concepts.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What does SLI stand for?
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Service Level Indicator- What does SLO stand for?
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Service Level Objective- What does SLA stand for?
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Service Level Agreement- What is an error budget?
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The amount of downtime or failed requests allowed within an SLO period before violating the objective- What is availability?
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The percentage of time a service is operational and responding to requests- What is latency?
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The time delay between a user request and the system response- What does MTTF stand for?
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Mean Time To Failure- What is toil?
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Repetitive, manual operational work that does not add long-term value to the service- What is on-call?
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Being available to respond to incidents and production issues outside normal business hours- What is a postmortem?
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A structured analysis after an incident to identify root causes and prevent recurrence- What is blameless culture?
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An organizational approach focused on understanding systems and processes rather than assigning individual blame for incidents- What is a runbook?
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A documented guide with step-by-step procedures for handling a specific operational task or incident type- What is incident severity?
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A classification level that indicates the impact and urgency of an incident- What is chaos engineering?
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Testing system resilience by intentionally introducing failures in a controlled, non-production environment- What is observability?
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The ability to understand a system's internal state and behavior through its external outputs like metrics, logs, and traces
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