DigitalOcean adds managed Kafka and Redis services, expands database lineup
DigitalOcean launches managed Kafka and Redis services for quick deployment of message queues and caching without infrastructure management.
CDN Origin Fetch Explained: Origin Address, Origin Host, and What Happens on a Cache Miss
Origin fetch is the most core and most misunderstood CDN concept. This guide uses everyday analogies to explain what origin fetch is, the difference between the origin address and origin Host, how to choose an origin protocol, and what happens on cache misses, timeouts, and failures.
Nginx Reverse Proxy in Production: Upstream, Caching and Rate Limiting
Use upstream for load balancing, proxy_cache for caching and limit_req for rate limiting, and terminate TLS at the reverse proxy layer. Includes deployable Nginx production configs.
CDN Acceleration
A complete CDN acceleration guide — cache strategy by content type, Cloudflare and Nginx configuration, origin optimization, hit-ratio analysis, multi-CDN, monitoring, a real case and FAQ.
CDN Log Hit-Rate Analysis Script
Analyze CDN logs with Python to compute HIT/MISS ratios, locate high-origin-fetch URLs, and debug low cache-hit pages with a cache status field reference.
CDN Cache Key Strategy Guide
Reduce origin fetch and cache mis-hits with sensible cache keys