Server Uptime Math: Understanding Nines and SLA Calculations
Master uptime math with our guide to availability nines, SLA calculations, composite availability formulas, and practical strategies for achieving high reliability.
Tech
9 articles in this category
DNS TTL Strategy: How to Choose the Right Time-to-Live Values
Design an effective DNS TTL strategy balancing performance, failover speed, and propagation time. Covers TTL math, migration scenarios, and monitoring best practices.
CI/CD Pipeline Cost: What It Really Costs to Ship Code Fast
Break down the true cost of CI/CD pipelines including compute minutes, storage, third-party tools, and developer time. Optimize your pipeline spend effectively.
Database Sizing Guide: How to Estimate Storage Before You Build
Estimate database storage requirements before deployment with formulas for row sizes, index overhead, growth projections, and backup storage across SQL and NoSQL.
API Rate Limiting Math: How to Design Limits That Scale
Learn the math behind API rate limiting including token bucket, sliding window, and leaky bucket algorithms. Includes formulas, tables, and scaling strategies.
AWS vs Azure Cost Comparison: A Practical Guide for 2026
Compare AWS and Azure pricing across compute, storage, networking, and managed services. Includes real cost examples and optimization strategies for cloud budgets.
Bandwidth Calculation Guide: How Much Do You Really Need?
Learn how to calculate bandwidth requirements for websites, streaming, video calls, and offices. Includes formulas, real-world scenarios, and sizing recommendations.
Storage Capacity Planning: How to Calculate and Manage Data Growth
Plan storage capacity for personal, business, and server needs. Includes formulas for estimating growth, comparing storage types, and avoiding costly overprovisioning.
Cloud Cost Optimization: Strategies to Cut Your AWS, Azure, and GCP Bill
Reduce cloud spending by 30-50% with proven optimization strategies. Covers right-sizing, reserved instances, spot pricing, and automated cost controls.