System Availability - Understanding Uptime and SLAs
Complete guide to system availability covering uptime calculations, SLA requirements, five nines availability, redundancy strategies, and high availability architecture.
Availability
Stop Shipping Hope: SLOs Must Guide Your Architecture, Not Just Your Release
Let’s talk about something fundamental, something often relegated to the last minute, but which, when embraced early, can elevate the craft of software engineering from mere coding to true engineering excellence. I’m speaking of Service Level Objectives (SLOs) and Service Level Indicators (SLIs). Remind me what they are again SLI - Service Level Indicator A quantitative metric for a service’s performance, as experienced by the user of the service. It is a measure of a property of the service that is a good proxy for your user experience. ...