In addition to those, you can get some improvement (more so on a full node than a low-mem witness node) by using zswap (comressed memory). I don't have a specific writeup for that though.

If you are trying to use a low-mem witness node in less than 8 GB or a full node in less than 16 GB it is probably hopeless for now though. Upcoming improvements should make that possible again.

Thanks for the info.

A bit more info about zswap can be found here:

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