Technical insights and best practices for Performance Optimization
A Bun or Node.js service can be slow on a VPS because of CPU steal or slow disks. How to measure both, fix the host first, and then compare runtimes fairly.
How to remove common latency and connection-error causes in an Nginx or Kong API gateway: file limits, upstream keepalive, backlog, port range, logging and TLS.
When to use Memcached or Redis 2.8 for caching and PHP sessions on CentOS 6. Covers persistence, eviction, AOF fsync stalls, and a split-instance setup.
How to confirm that MySQL 5.5 is stuck on disk I/O, and how to tune the I/O scheduler, ext4 mount options and InnoDB settings for flash or fast virtual storage.