performance – Page 6 – ITFROMZERO

Measuring Network Speed and Performance with iperf3 on Linux Server

By admin March 6, 2026

A guide to using iperf3 to measure real-world bandwidth between two Linux servers, detect packet loss and jitter with UDP mode, and write time-based monitoring scripts to catch intermittent issues. Includes comparisons with speedtest-cli and netperf to help you pick the right tool for each scenario.

Fedora

Speed Up DNF on Fedora: Installing and Configuring Plugins for Faster Package Downloads

By admin March 3, 2026

A guide to installing and configuring DNF plugins on Fedora to speed up package downloads: enabling fastestmirror, parallel downloads, deltarpm, and optimizing /etc/dnf/dnf.conf. Ready to apply in under 5 minutes, suitable for both dev machines and servers.

Database

Optimizing PostgreSQL Performance with PgBouncer: Connection Pooling in Production

By admin February 28, 2026

A guide to installing and configuring PgBouncer to address connection overhead in PostgreSQL. Real-world experience after 6 months in production: server connections reduced from 180 to 25, API response time improved from 800ms to under 300ms.

Database

Getting Started with Redis: Installation and Basic Usage — From 2 AM Production Crisis to Proficiency

By admin February 28, 2026

When a Django server starts timing out under heavy traffic, the culprit is often a database overwhelmed by repeated identical queries. This guide covers installing Redis on Linux, the essential commands you need to know, and how to integrate a cache layer into Python to immediately reduce database load.