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Service Level Indicators
Choose meaningful SLIs
SLIs measure user-centric metrics like availability and latency; they underpin SLOs and error budgets for reliability engineering.
- availability
- latency
- error rate
- freshness
- coverage
Pick User-Centric Metrics
Use request success, latency percentiles, and freshness users feel.
Define Precisely
Document paths, thresholds, and windows for each SLI.
Instrument
Emit metrics and segment by key dimensions for clarity.
Keep Exploring
Guides
API Basics
APIs let software request data or actions from other systems through defined endpoints and responses.
Comparison
RAM vs Storage
RAM handles what your device is actively working on, while storage keeps apps, files, and system data available over time.
How it works
Global Positioning System
GPS uses timing signals from satellites to calculate a receiver's position on Earth.
What it is
Blockchain
A blockchain is a distributed ledger secured by cryptography and consensus nodes.