this post was submitted on 05 Jul 2023
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I know that the RAM cache is just taking advantage of otherwise free RAM and will be dropped in favor of anything else, but it does stress me out a bit to see it "full" like that.
It would stress me even more to see a lot of RAM doing nothing, that would be a shame! ;-)
Difference between Windows and Linux. Windows would only use what it needs. Linux pre-empts more and fills the RAM for what coul dbe needed.
It used to stress the shit out of me when I switched to Linux as I'd gotten used to opening task manager and seeing 90% free RAM. On Linux I'd be seeing 10% free and panicking thinking it was a resource hog.
The Linux-way is the best way.
I use Arch btw ;)
Both OSes do pre-caching and for both the standard tools to check usage nowadays ignore pre-cached elements when counting RAM usage.
I had a feeling that 'factoid' may be out of date! Since I learnt it about the time of Windows XP when we were shown examples of how Linux and Windows memory management differed. It all made sense why Linux seemed to have full RAM even after a big upgrade but WinXP gave the 'illusion' of having lots of free RAM to use. ~ 20yrs ago!
I think we used SuSE Linux 7.3!
I still hold a savage hatred of all RPM-based distros after dealing with the hell of early 2000's editions (Redhat, Mandrake & Suse). Though I did like SuSE KDE's colours when it worked!