Linux Server Performance Tuning with Tuned Profiles

Episode 100 of Linux Server Admin with Fexingo: Lucas and Luna dive into performance tuning with Tuned, the Linux systemd service that applies predefined profiles to optimize server workloads. They break down the difference between virtual-guest, throughput-performance, and latency-performance profiles using a real-world example of a PostgreSQL database server struggling with background batch jobs. Lucas explains how to change profiles, check active settings, and create custom rules for hybrid workloads. The conversation stays practical—no theory without application—and ends with a concrete decision framework: if your server runs mixed workloads, Tuned saves you from manually tuning sysctl knobs. Perfect for sysadmins who manage database servers, web servers, or any box where one-size-fits-all kernel defaults aren't good enough.

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