The InnoDB Doublewrite Buffer is the silent guardian of MySQL’s data integrity. It protects against torn pages and corruption during crashes. In this post, we’ll see how it works, why it exists, and why turning it off for performance can be risky.
tcpdump is the command-line Swiss Army knife for network traffic fast, lightweight, and ideal for servers. Learn how to install and use it effectively.
Learn to install and use Wireshark, the essential tool for capturing and analyzing network traffic. Perfect for sysadmins, analysts, and engineers.
Learn how to design resilient database systems. From backups to global active-active setups, I cover key high availability and disaster recovery patterns.
Tired of chasing logs? The Golden Signals, latency, traffic, errors, and saturation, help DBAs and sysadmins troubleshoot systems with clarity and focus.