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Performance tanking during swapping (lemm.ee)

submitted 1 day ago by [email protected] to c/[email protected]

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Hi guys!

I have what I'd consider a beefy gaming PC. AMD 7700 CPU, 32GB RAM, 7800XT 16GB, NVMe 1TB for OS, mSATA SSD 2TB for storage/games.

So...whenever I get a while using the computer, with a bunch of windows open, say firefox taking 4GB of RAM, total for everything a bit over 16GB...I'm prone to get a whole system slowdown/freeze, which can take a few full minutes until it settles. I can see the storage red led on the whole time without blinking, so it really looks like swapping.

However sometimes I don't see movements in the system process viewer, in usage from RAM/swap, I'd imagine those graphs would change if the data in swap has changed.

Swapping is set in the mSATA, taking 8GB, so I reckon that migth not be the fastest. Still, that's an SSD. I'm not sure how can I check/troubleshoot whatever is tanking my computer performance?

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[–] [email protected] -4 points 1 day ago (6 children)

You shouldn't really use swap on an SSD in the first place. It reduces the drive's lifespan.

[–] [email protected] 1 points 23 hours ago

An SSD also throttles as it heats up, going as slow as an old HDD. I thought I broke mine when it took an hour to copy 100 gigs of files, but it just slowed down to keep under 60C. Idk how much swapping heats it up though.

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