Windows 10 "Out of Memory" error msg, plenty of V/RAM

PolarNettles said:

Honestly at first I didn't believe you have you could be using that much memory but apparently you are. Performance must be horrendous if you're using 32GB of pagefile.

Just to confirm, how large is your pagefile? It looks like Cities is currently using about 32GB of paged memory.

Have you tried manually increasing the size of the pagefile to, say 48GB? I haven't found clear documentation about how Windows automatically adjusts the pagefile size so it's possible that it may not be increasing it past 32GB due to some internal limit.

Layback Bear said:

I know nothing Cities Skylines but I did find this. It does seem like Cities Skylines can suck up a TON of memory.

How much RAM do I need? :: Cities: Skylines General Discussions

Jack

Yeah, CSL sucks up a ton of memory when you get enough assets loaded in. Usually just letting the system manage the size of the pagefile works - I had it set up so 16GB of pagefile space was on C:/ and the rest would be system managed size on another SSD that was set up for purpose as more pagefile space. It worked fine until lately!

I'll see about bumping the pagefile up to 48GB, but the weird thing is that the most pagefile usage I see on my live system monitoring is around 30%.

A tip: setting the Custom size for max and min as the same keeps the paging file clusters contiguous and can improve its performance, saw it a lot on Win7. The written recommendation in Windows Help for Virtual Memory used to be 1.5 times the physical RAM, earlier versions was 2.5 times. And it also recommended for memory-intensive applications to set it even higher.