Subj : Re: zram not zramfs for swap
To   : Maurice Kinal
From : andy5995
Date : Thu Sep 03 2026 09:47 pm

Subject: Re: zram not zramfs for swap

-=> Maurice Kinal wrote to andy5995 on 08/31/2026 02:35 <=-

 MK> Hej andy5995!

 > Using zramfs is new to me, I've been using it for about a month. I
 > have 14GB Ram.

 MK> New to me as well.  Offhand it sounds like /dev/ramX which I used to
 MK> use before I became familiar with the kernel's tmpfs.  Comparing tmpfs
 MK> with nvme0n1p2 - which I currently have mounted on /dev/lfs;

Hello Maurice!

I unintentionally gave you incorrect info. zram not zram fs.

[andy@prometheus build-asan](master)$ zramctl
NAME       ALGORITHM DISKSIZE  DATA COMPR  TOTAL STREAMS MOUNTPOINT
/dev/zram0 zstd            8G  1.2G  373M 388.1M         [SWAP]

>zram is a Linux kernel module that allows you to set up compressed 
>filesystems in RAM.

>zram-tools uses this module to set up compressed swap space. This is useful 
>on systems with low memory or servers running a large amount of services with 
>data that's easily swappable but that you may wish to swap back fast without 
>sacrificing disk bandwidth.

>By default it allocates a maximum of 50% of memory, although it only uses 
>what it needs. You can configure this in /etc/default/zramswap.

-- 
-Andy Alt

.... NoCarrierMail, the new multi-platform, multi-format offline reader!
=== NoCarrierMail/Linux v0.55
--- SBBSecho 3.37-Win32
 * Origin: X-Bit BBS > Oregon USA > x-bit.org/info (1:105/44)

.