Memory issue KDE Plasma Manjaro Lenovo Ideacentre 4GB RAM

Kernel: 6.0.2-2-MANJARO arch: x86_64 bits: 64 Desktop: KDE Plasma v: 5.25.5
Distro: Manjaro Linux
Type: Desktop System: LENOVO ideacentre AIO 310-20IAP

  RAM: total: 3.66 GiB used: 2.11 GiB (57.6%)
  Array-1: capacity: 8 GiB slots: 1 EC: None
  Device-1: ChannelA-DIMM0 type: DDR3 size: 4 GiB speed: 1600 MT/s

This system was giving me hell with ZERO SWAP. Now it is fine, running without issues. SWAPFILE is critical for Manjaro I suppose, if you have only 4GB RAM.

vm.swapiness=10, RAM = 4096, SWAP = 8192, CACHE is about 1.2GB

Yes, the max memory is 8gb. Swap is nessasary if you are running anything but the low resource desktops. Had you installed LXQt, 4gb would be all you would likely need.

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Thanks. Did not know of LXQt! Will install it in a separate partition

There was a very major update offered today in which my installation updated 420 packages.

After this update, my Manjaro installation is sluggish, slow, and cache has swelled by 50% , RAM being consumed is much more and SWAP is also not very efficient though it is working.

Manjaro is working, not freezing, but it’s just not up to the mark on my hardware after today’s update.

Ultimately the solution appears to be physical upgrade of RAM. In my hardware, the maximum allowed physical RAM is 8GB so I suppose I’ll have to switch to a lighter distro like LXQt when Manjaro KDE outgrows 8GB

Manjaro does not make a LXQt installer iso. Its my favorite desktop. But I do create a Manjaro LXQt spin, you can find them here. There was a large update this morning and the old spins are over a month old. I will be releasing SbK LXQt within the next 24 hours or so.


One question, ¿have you got an mechanical HDD or a SSD drive?

Another question: ¿have you seen with top command which processes are slowing down your computer?

And finally a tip: change baloo (KDE’s indexer) default behaviour as seen in this thread:

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Arrababiski, I have a mechanical HDD. 1 TB. Manjaro is on 300 GB partition, rest is unformatted space for any other distro I might try

Yes, I just used TOP. It’s usually the vivaldi browser but sometimes XORG tops the list.

I was using Chrome earlier (before making my swapfile). Chrome is hopeless on my hardware. Opera and Firefox did not perform well either.

Vivaldi (plus adblock) has been an ok experience, on my hardware. At least till now.

I reset baloo as per your post. That has helped.

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Just a heads up, the new SbK LXQt spin has been released in case you want to try it.


If you can, change the HDD for an SSD. The performance improvement is impressive at startup, program loading, faster swap file… for me it is the most important thing in terms of performance. I’d rather an SSD instead of 4 GB RAM more.

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Ok. Will do this!

Thanks for the heads up! I will try this out (minimal install) on a Dell Vostro 200 mini-tower desktop, I got it in 2009, it’s idle, not being used.

Intel 1.8 GHz Dual-Core (E2160) CPU
2 GB DDR II SDRAM, 667 MHz, Dual Channel
160 GB SATA HD, 7200 RPM

Might not be a 7200 RPM drive. Maybe 5400 only in my Vostro 200, I’m not sure!

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