Deleted member 182079
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I've set mine to 200GB on a secondary HDD, and have been suffering awful hitches and performance drops today (and partly yesterday). I just removed the file and will create a 20GB sized file on my primary SSD/M.2 now, where FS2020 is installed. Really hope this will improve things a bit as I haven't been enjoying this today due to the constant freezes during flight. Could also be a server problem, so maybe it's best if I give this a rest for a few days worst case. It's not like I don't have anything else to play in the meantime.Yeah, that's way too high.
The point of rolling cache is that it's constantly updated - so 1) an SSD helps massively on this point and 2) you're not going to be flying over 1TB of data at any point. You're just wasting hard drive storage, because it pre-allocates the entire file.20GB is more than sufficient.
Pre-cache is slightly different as that provides a bucket where you can download cities into - and they can get quite large (by quite large, I mean 10-15GB for the larger ones). So the temptation there is to use a really high ceiling - but again, no real need. For one thing, you can increase it later when you need to, and for another - mine is set at 75GB and I already have New York, San Francisco, Los Angeles, Amsterdam, London, Paris and Tokyo in there (so far) and it's not even half full.