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The Reflector program is used to find the fastest mirrors for Arch Linux. This will not work for other distributions based on Arch Linux such as Manjaro.
$ sudo pacman -S reflector
Optionally configure it by setting one argument per line in the configuration file:
$ sudo vim /etc/xdg/reflector/reflector.conf --protocol [http|https] --latest <NUMBER_OF_MIRRORS_TO_USE> --country <COUNTRY1>,<COUNTRY2> --save /etc/pacman.d/mirrorlist
Start it once:
$ sudo systemctl enable reflector.service
Run it once a week:
$ sudo systemctl enable reflector.timer
This is documented in Administration - Package Managers - PKGBUILD - Pacman - Parallel Downloads.
There are lots of Linux kernels available for Arch Linux. Here are the Linux kernels in order of fastest to slowest :
For being able to install additional drivers, it is recommended to also install the
“Reflector.” ArchWiki. November 19, 2021. Accessed January 10, 2022. https://wiki.archlinux.org/title/reflector
“The Performance Impact From Different Arch Linux Kernel Flavors.” Phoronix. January 25, 2023. Accessed February 10, 2023. https://www.phoronix.com/review/arch-linux-kernels-2023/8