The Linux Kernel will move memory pages that are hardly ever used into swap space to ensure that even more cachable space is made available in-memory for more frequently used memory pages (a page is a piece of memory). It is normal and can be a good thing for Linux systems to use some swap, even if there is still available RAM. It now comes with ZRAM enabled by default.Īdvantages of swap space on systems with adequate RAM Update: Recently, I installed Manjoro i3 on my Pinebook Pro. Now, let’s look at how swap space can actually help Linux server performance. …so in this case, as in many, swap usage is not hurting Linux server performance. To confirm, I used the following command: ps -A | grep kswap In fact, the kswap process was nowhere to be found in top (top processes sorted by CPU time). Also, the kswap service didn’t consume much CPU time. When I ran checks for swapping, there were no signs of ongoing or untimely swap I/O activity.
#Ram pressure computer pc free
The output of free -h here shows 308M of swap space used.
See the below example from a live-chat server with around one month of uptime: total used free shared buff/cache available Even with more than adequate server memory installed, you will often find that swap space will be used after long periods of uptime.
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