Performance Tuning

Maximizing 40G NIC Performance on Linux with Intel XL710 and Cisco Nexus Switches

In this comprehensive technical walkthrough, I’ll take you through a real-world journey of troubleshooting and tuning a high-performance 40 Gbit Ethernet setup using Intel XL710 network cards connected through a Cisco Nexus 3064 switch. The goal was simple but challenging: to achieve near line-rate performance using iperf3 between two Linux (Proxmox) systems. When I first started testing …

Maximizing 40G NIC Performance on Linux with Intel XL710 and Cisco Nexus Switches + read more

Why I Created the SQL Rescue Sprint – And How It Works

Over the past 25 years, I’ve worked with SQL Server in all kinds of environments: startups, mid-size companies, and global enterprises. And no matter the industry or infrastructure, one thing is always true: When SQL Server slows down, everything slows down! Reports take forever. Blocking brings processes to a halt. Deadlocks frustrate both users and …

Why I Created the SQL Rescue Sprint – And How It Works + read more