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this post was submitted on 02 Feb 2025
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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The most important thing is not the distribution, but to enable ZRAM (or ZSWAP) and use a lightweight desktop. I am not sure how much difference a 32bit vs a 64bit distribution makes, but if possible you could take one for the team and run some trials and report your numbers (RAM usage) back here.
Of course I recommend Debian with a lightweight desktop of your choice, or Alpine.
I'm not sure that cpu will be able to handle memory compression with a usable speed. I would expect it to make it even slower
I don't know either, but unless one uses zstd (lzo seems more like a thing for this hardware), I would hope that it is totally usable. (Running zstd memory compression on a Raspberry Pi 2, w/o any noticeable speed impact)
A 32 bit distro will make a BIG difference with that much RAM.
Show me some numbers! ;-) ... Perhaps I miss something, but basically we have 32bit pointers vs. 64bit pointers, the rest of the data should be the same size. 64bit should be faster for tasks where the CPU is the bottleneck/computations, so IMHO it will be an interesting tradeoff with no clear winner for me.