Originally Posted by ReaperX7
Just something I learned a long time ago. Can't recall where, but the guy who told me it said always do double your RAM, unless you have over a certain size and amount, of which I forget just in case, but it had to deal with how much swap could be accessed should the need arise, but over a certain amount was unnecessary as it's just eaten up HDD space.
In other words, that's just an old myth
. I don't see any ground to choose JFS or BtrfS over ext4 either, until/unless some special use case of which OP didn't make us aware of IIRC.