Is Apdex useful?

I’ve been trying to figure out what SLOs to define for some services recently, and wondering if Apdex is a useful metric. (See my previous post on the difference between SLIs, SLOs and SLAs)

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Tags: apdex, applicationperformanceindex, sitereliabilityengineering, slo, SLOs, sre

Post Production Debugging

Monitoring and Observing Your App Post Release

Pre-release tests are essential, but the ability to debug, monitor and observe your application suite post-release is what allows you to detect, and quickly fix, the production problems that will inevitably rise.

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Tags: apdex, KPIs, monitoring, mttd, mttf, mttr, o11y, observability, production, SLAs, testinginproduction