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by IncRnd 3078 days ago
We run without swap, and haven't noticed an issue. Did you see any practical benefit to running swap vs not?
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Other than a couple of occasions where things have run slowly, giving me time to kill the process I choose, I've not noticed any benefit.

Picking a random machine, there is 600MB of swap used. "top" shows where about 50MB is used (Hadoop daemons, systemd bits) but I don't know what the rest is. I guess it could backfire, since logind is swapped out, and I might want to log in on the serial console if the machine is very busy.