performance Archives

Programming tutorial - IT technology blog

Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster

September 3, 2026

Numba's JIT compiler transforms slow Python loops into native machine code, delivering 100x+ speedups for numerical computation without changing your algorithm. Covers installation, @njit, parallel=True, caching, and a real benchmark you can run yourself — with actual numbers, not marketing estimates.

Networking

Supercharging Linux Networking: A Practical Guide to eBPF TC

September 1, 2026

Ditch the overhead of iptables. This guide shows you how to use eBPF TC to build high-performance, programmable network filters and QoS directly in the Linux kernel.

Programming

Mastering Vite: High-Performance Bundling and Custom Plugin Development

August 22, 2026

Stop waiting for slow rebuilds. Learn to optimize Vite with manual chunking, Brotli compression, and custom plugins to keep your production bundles lean and fast.

Programming

Stop OOM Crashes: Mastering Go 1.23 Iterators and Range-over-func

August 21, 2026

Go 1.23 introduces range-over-func, a powerful feature that prevents OOM errors by streaming data. Learn how to implement iter.Seq to handle millions of records with constant memory overhead.

Networking

Mastering systemd-networkd: The Minimalist’s Guide to Linux Networking

August 15, 2026

Ditch the overhead of NetworkManager and Netplan. This guide shows you how to use systemd-networkd for faster boot times and lightweight networking on Linux servers.

Database

Real-Time Notifications: Stop Polling and Start Using Postgres LISTEN/NOTIFY

August 3, 2026

Stop hammering your database with constant polling. Use Postgres LISTEN/NOTIFY and Node.js to build a sub-millisecond notification system that scales without the overhead of a dedicated message broker.

Programming

Stop Chasing Memory Leaks: A Practical Guide to Modern C++ Smart Pointers

August 2, 2026

Ditch manual memory management. Learn how std::unique_ptr and std::shared_ptr can make your C++ code leak-proof while maintaining peak performance.

Programming

Building High-Performance React Data Grids with TanStack Table v8

July 30, 2026

Handle thousands of rows without breaking the browser. This guide shows you how to implement TanStack Table v8 with virtualization for high-performance React applications.

Programming

Why We Swapped Express for Fastify: A Six-Month Production Post-Mortem

July 20, 2026

Switching from Express to Fastify cut our latency by 30%. This production review covers the technical benefits of schema-first development and high-performance Node.js architecture.

Database

Mastering Database Replication Lag: Monitor, Diagnose, and Fix Sync Delays in PostgreSQL and MySQL

July 19, 2026

Database replication lag can silently corrupt your users' experience — orders appearing unpaid, inventory showing wrong counts. This guide covers how to monitor replication lag in PostgreSQL and MySQL, diagnose the root cause across network, disk, and query layers, and apply targeted fixes including parallel replication and WAL tuning.