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submitted 1 month ago by penquin@lemm.ee to c/linux@lemmy.ml

Not sure why that is, but I have 32 GB of RAM and I would like my system to utilize it as much as possible, but as you can see in the screenshot, the system is only using 5.66 GB of the physical RAM, but swap is still being used in a high number. Is this normal? Should I lower the swappiness to lower than 10? Should I let it be? Thanks
Here is the screenshot

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[-] catloaf@lemm.ee 34 points 1 month ago

You should set it back to whatever it was. It shows 5.6 GB in active use and 19 GB used for cache. You're already using all your RAM, just not actively. You don't sit on 100% of the chairs in your house at once either. 3 GB swap used is very low usage, which is expected when you're not actively using a lot of memory.

Don't mess with things you don't understand, especially when you don't have an actual problem. You're going to end up breaking things. (Which, to be fair, is one way to learn, but at the cost of breakage.)

[-] Luci@lemmy.ca 63 points 1 month ago

Don't mess with things you don't understand.

Don't listen to this advice. Messing with things you don't understand is how you learn your OS. Mess with it, break it, then RTFM and fix it. That's how ya learn!!

[-] gi1242@lemmy.world 47 points 1 month ago* (last edited 1 month ago)

you should especially do this on Friday 5:00pm in production, right before going on an international vacation with bad Internet.

[-] penquin@lemm.ee 11 points 1 month ago

😂 I love this.

[-] TexasDrunk@lemmy.world 7 points 1 month ago

I've had to explain to three different people that they're not getting a production window on Christmas Eve. I'm the only person in the office from the day after Christmas until January 2.

[-] Luci@lemmy.ca 2 points 1 month ago
[-] AnUnusualRelic@lemmy.world 1 points 1 month ago

Just before a big presentation is also one of the best times. You have a few minutes to waste, why not spend then optimising stuff?

That's great if you treat your computer as a toy. But if you actually need it to do work then that's terrible advice.

Destroy a virtual machine first, not your actual computer.

[-] penquin@lemm.ee 6 points 1 month ago

I have a whole machine that I don't touch for stuff like this to get my actual work done on. This one is for learning and fucking shit up. Lol

[-] catloaf@lemm.ee 10 points 1 month ago

Or just RTFM first and learn without breaking stuff.

[-] naeap@sopuli.xyz 6 points 1 month ago* (last edited 1 month ago)

Nah, without breaking stuff, you never really learn

Hands-on experience is important.

Edit: obviously don't do this with production machines, but I thought that was given...

[-] Luci@lemmy.ca 4 points 1 month ago

No fun. Nothing learned.

[-] qprimed@lemmy.ml 5 points 1 month ago

pretty much. learning things without a corresponding "oh... shit." moment, just never quite stick with you the same way.

[-] penquin@lemm.ee 4 points 1 month ago

This is 100% it. The sleepless nights I've spent hunting for solutions after nuking everything, taught me a great deal. It was even so much fun, too.

[-] thingsiplay@beehaw.org 1 points 1 month ago

Pain is the best teacher.

[-] penquin@lemm.ee 6 points 1 month ago

Nah, homie, fucking shit up then spending your whole evening looking for solutions is what makes it so much fun. lol

[-] Luci@lemmy.ca 6 points 1 month ago

If your googling is about to take you to the arch wiki, you're having a good night!

[-] luciferofastora@lemmy.zip 5 points 1 month ago

tinkers with pulseaudio
"Why does my audio not work?"
tinkers more
"Okay I think it kinda works now?"
it breaks again
"fml"

I found the docs for pulseaudio and particularly for pipewire to be rather hard to use, personally. RTFM works if the manual is readable, but in these cases, the learning curve was very steep for me (and I still don't know that I properly understood what's going on, but it's working, so I've stopped tinkering for now).

[-] Luci@lemmy.ca 2 points 1 month ago

You're not really RTFM unless you're digging into source code comments

[-] thingsiplay@beehaw.org 4 points 1 month ago

Learning by doing, but make backups.

[-] penquin@lemm.ee 17 points 1 month ago

While I appreciate your comment, I disagree on the last part. Fucking shit up is what got me into IT to make a decent living and take care of my family. All the fucking shit up is at home on my personal PC of course 😂

[-] extremeboredom@lemmy.world 8 points 1 month ago

Your comment was great, until the last part. That's terrible advice. DO mess with things you don't understand, until you understand them!

[-] pearsaltchocolatebar@discuss.online 4 points 1 month ago* (last edited 1 month ago)

You're not going to cause any permanent damage to your system messing around with system settings.

[-] ReversalHatchery@beehaw.org -1 points 1 month ago

3 GB swap usage is usually very unpleasant in my experience when the swap is on a HDD. and no thabks, I won't move the swap to the SSD to kill it earlier

19 GB cache is worthless after you have just moved a lot of files, large in total size. very few useful things remain in there, while your program will get swapped out unnecessarily

this post was submitted on 04 Dec 2024
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