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Questions tagged [swap]

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Swap space is an area of the hard disk that serves as an overflow when the computer memory is full. The memory used by inactive applications is partially written out to disk to make room for other applications and for the disk cache for active files.

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I am using Kubuntu which is Ubuntu with KDE. My swap partition is too small causing me some lag. I have 16GB Ram but it is set to 1.9GB. Attached is screen shots of my current partition. vgkubuntu is ...
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On x86, the solution would be either PAE, but yet better is to use a 32-bit system with a 64-bit kernel. The physical memory of the planned 32-bit ARM system is only 3GB. I would like to increase it, ...
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this is the first time I encounter a swap issue, I'm lost about how Linux is supposed to behave. I have a RHEL virtual machine running a batch processing RAM intensive application (100+GB RAM, 1GB ...
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My computer is running Debian 13. During installation of Debian 13, I chose to have full disk encryption and use the BTRFS filesystem (instead of the default ext4 filesystem). The Debian installer ...
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I have recently installed Debian 13 with encryption for both my main drive and swap. My root (sda3) LUKS volume unlocks fine and mounts. My swap (sda4) was set up as encrypted swap with random key (...
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From my understanding, accessed files from disk are being kept in the page cache, for as long as there's enough memory left. Is this data also being moved to swap memory, or can this be facilitated? I ...
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Suppose process A has been preempted to allow process B to run. If system memory is low and the kernel needs to reclaim memory for process B, is it possible for the page tables of process A to be ...
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I'm setting up Home Assistant, on a Raspberry Pi, to use Network Boot with a Ubuntu x86 server. The initial bootup seems to be working. The systemd process is now creating a swapfile on the NFS mount. ...
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I wanted to disable cryptswap on my PopOS (an Ubuntu derivative). Used mkswap to re-initialize the swap partition Edited /etc/fstab to directly reference it (as opposed to a crypto device) Removed ...
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I was wondering why zswap decompresses memory pages before writing them to disk instead of keeping them compressed, since apparently doing that increases both CPU load and I/O.
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I have a Raspberry PI 5 with 8GB of ram. I have allocated a zram swap partition with disksize of 1GB, which after a few days is now being used. $ free -hw total used free ...
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Let's say I started a process that used a lot of RAM and swapped out pages of sleeping processes. Now the process has finished and I have a lot of free RAM, and the other processes are being loaded ...
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I'am trying to make my laptop to hibernate , but it can't , showing me an error (call to hibernate failed : not enough swap space for hibernate ) so my old swap partition was 1giga so i extended it to ...
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I'm running GNOME on Debian 12 (Trixie/sid) (ie, the current testing distribution). Packages are up to date, I don't have any super weird configurations (I do run with --mitigations=off), and I've ...
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I have the same problem on all servers running Java processes. I have lots of available memory. But my swap is full of Java-related pages. But the system never cleans its swap, Java pages stay there &...
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