29
votes
5answers
8k views

Why is swap being used even though I have plenty of free RAM?

I thought the whole essence of swap was to act as a temporary storage safety net when RAM was full but my swap partition is constantly being used even though I sometimes have as much as 3GB free RAM. ...
1
vote
1answer
1k views

Ubuntu locks up when swap full

I have a Ubuntu system running xfce and 2 GB RAM. I have a 1GB swap file which, when multitasking begins to fill up. When I have even a small amount of free swap, I have no issues, but the second the ...
6
votes
2answers
338 views

How to configure how much RAM usage should to start swapping on Ubuntu

I always notice that Ubuntu start using swap, as soon as the RAM usage is around 60-70%. How to configure it so it should wait so RAM usage became 80-90%. And is there a way to empty the swap, as soon ...