performance-tuning Archives

Linux CPU Pinning: How to Squeeze Every Drop of Performance from Your Hardware

June 1, 2026

Master Linux CPU resource management. Learn how to use taskset, numactl, and cpusets to eliminate context switching and optimize your high-performance applications.

Linux

Linux Ftrace: Diagnosing Kernel Latency Without the Strace Overhead

May 28, 2026

Master Ftrace, the Linux kernel's built-in tracer, to solve production latency. Learn function graphing, PID filtering, and how to interpret microsecond-level bottlenecks with minimal overhead.

Database

PostgreSQL WAL: Production Lessons on Performance and Recovery

May 27, 2026

PostgreSQL WAL is more than just a log; it's the key to performance and data safety. Explore production-tested configurations, PITR setups, and monitoring tips.

Networking

SR-IOV on Linux: Slashing Latency and Reclaiming CPU for Virtual Workloads

May 23, 2026

Tired of network latency in your VMs? Learn how to configure SR-IOV on Linux to bypass the kernel, reduce CPU overhead, and achieve near-native networking speeds.

Linux

Linux SSD & NVMe Tuning: How I Cut I/O Latency and Extended Drive Life

May 18, 2026

Boost your Linux storage performance. Learn the exact fstab flags, udev rules, and TRIM strategies I use to optimize SSD and NVMe drives for speed and longevity.

Linux

Mastering bpftrace: Solving Linux Performance Mysteries with One-Liners

May 17, 2026

Ditch the guesswork. Learn how to use bpftrace one-liners to troubleshoot Linux kernel performance, disk latency, and network issues with minimal overhead.

Linux

Stop the Linux OOM Killer from Crashing Your Production Apps

May 15, 2026

Is the OOM Killer terminating your critical Linux processes? Learn how to diagnose logs, adjust process priorities, and tune kernel memory settings to keep your server stable.

Linux

Linux I/O Scheduling: Solving Disk Bottlenecks in Databases and File Servers

May 14, 2026

Is your server lagging during backups? Learn how to master Linux I/O scheduling and use ionice to prioritize database traffic over background tasks.

Networking

Kill the ksoftirqd Bottleneck: A Hands-on Guide to NIC Offloading and Interrupt Coalescing

May 10, 2026

Is ksoftirqd pinning your CPU? Learn how to use ethtool to enable TSO, GRO, and interrupt coalescing to eliminate network bottlenecks on high-traffic Linux servers.

Networking

Linux TCP Stack Optimization: Tuning Buffers and Congestion Control for Production

May 5, 2026

Is your 10Gbps link underperforming? Learn how to calculate BDP and tune the Linux TCP stack with BBR and optimized buffers to hit peak production speeds.