How to Change Swap (ZRAM) Size on Fedora 39

To change the Swap (ZRAM) size on Fedora 39, follow the steps below.

Step 1 : By default, Fedora 39 has ZRAM enabled. Check the status using the following command:

systemctl status systemd-zram-setup@zram0.service

Step 2 : Verify the current memory status:

free -m

Step 3 : Open the ZRAM configuration file for editing:

sudo nano /usr/lib/systemd/zram-generator.conf

- Locate the line specifying zram-size within the file.

- Modify the zram-size according to your desired size.

Step 4 : After editing, save the changes and reload systemd configurations:

sudo systemctl daemon-reload

Step 5 : Restart the ZRAM service to apply the changes:

sudo systemctl restart systemd-zram-setup@zram0.service

Step 6 : Verify that the changes took effect by checking the swap usage:

sudo swapon --show

Congratulations! You have successfully changed the Swap (ZRAM) size on your Fedora 39 system. Adjusting the ZRAM size can help optimize system performance and memory utilization based on your specific requirements.