A customer reported an unusual problem with our CloudFlare CDN: our servers were responding to some HTTP requests slowly. Extremely slowly. 30 seconds slowly.
Learn where some of the network sysctl variables fit into the Linux/Kernel network flow. Translations: 🇷🇺 - leandromoreira/linux-network-performance-parameters
Preface This is a technical article chronicling one of the most interesting bug hunts I’ve had the pleasure of chasing down. At AdGear Technologies Inc. where I work, ssh is king. We use it for management, monitoring, deployments, log file harvesting, even some event streaming. It’s solid, reliable, has all the predictability of a native unix tool, and just works. Until one day, random cron emails started flowing about it not working.
Don't be clever and misuse SO_RCVBUF