nixCraft Linux / UNIX Newsletter

How to set up ZFS ARC size on Ubuntu/Debian Linux

Posted: 26 Jul 2021 02:45 AM PDT

When working with Ubuntu, Debian Linux, and ZFS, you will run into ZFS cache size problems. You see, not all Ubuntu or Debian servers need aggressive file caching. Some servers act as a web server or run Linux container workloads or KVM guest VMs where you want those guest VMs to manage their own caching. Therefore, it would be best to have tons of ECC RAM for ZFS. Unfortunately, not all projects get that kind of extravagance in real life. This page explains how to set up ZFS arc size on Ubuntu/Debian or any Linux distro of your choice. So that, Linux kernel avoid running out of memory.

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Linux commands to check the Laptop battery's status via the terminal

Posted: 25 Jul 2021 11:46 PM PDT