How to Boost Performance of Ubuntu on Raspberry Pi 4 – Guide
Canonical is not given up on Ubuntu Desktop for Raspberry Pi devices, and the next major release of the popular GNU/Linux system, Ubuntu 22.04 LTS, promises to give everyone a performance boost. The official version of Ubuntu Desktop on Raspberry Pi was Ubuntu 20.10 (Groovy Gorilla), but it was only recommended for Raspberry Pi 4 variants with 4GB or 8GB RAM, Raspberry Pi 400 and Raspberry Pi CM4 (Compute Module 4) devices ). This will change as Canonical wants Ubuntu Desktop to run smoothly on the Raspberry Pi 4 model with 2GB of RAM, and the key to this performance gain is enabling the Linux kernel’s zswap feature. For those unfamiliar with the Linux kernel, zswap is a feature which provides a compressed RAM cache for swap pages. When zswap is enabled, a process that is transferred to the swap file is zipped. Consider a write-back cache for pages that have been swapped.
To define Up Ubuntu Desktop on Raspberry Pi 4
Ubuntu officially supports the Raspberry Pi 4 Model B with 8GB modules and 4GB RAM. You can, however, operate Ubuntu using Raspberry Pis equipped with 2GB of memory. Will require an affordable Linux kernel feature known as Zswap to do this. Swap compresses all processes before transferring them to the swap file. It also checks if the smallest and most compressed size can fit in RAM. Compressing a webpage with zswapped is much faster than using swap. This will give you a smooth user experience even after installing top Raspberry Pi apps. Also, you don’t have to wait until the next LTS release to enjoy this feature. Zswap can be activated on any existing Ubuntu installation and get the performance boost right away. Start a terminal on Raspberry Pi 4 with Ubuntu and type the following command: sudo sed -i -e ‘s/$/zswap.enabled=1/’ /boot/firmware/cmdline.txt Restart your computer after the command has done its work and test the performance improvement on your own. You will notice things like browsing and browsing faster than before.
Configure Ubuntu on Raspberry Pi 4 with 2GB RAM
zswap can make running Ubuntu more accessible on devices with lower settings like Raspberry Pi 4. Raspberry Pi 4. Canonical is also working on additional mechanisms like z3fold and LZ4 compression to help Ubuntu run faster on these devices. If you’re not satisfied with the performance, consider installing a lightweight OS on your Raspberry Pi.
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