I've had similar problems but no amount of tweaking vm and vfs cache settings helped. Swap or not, both 32gb and 128gb of ram. Manually reclaiming memory would

I've had similar problems but no amount of tweaking vm and vfs cache settings helped. Swap or not, both 32gb and 128gb of ram. Manually reclaiming memory would un-lock the system (/sys/fs/cgroup/memory.reclaim). I wrote a user space memory reclaimer and have not got a lockup since. https://gist.github.com/EBADBEEF/f168458028f684a91148f4d3e791ba84 https://gist.github.com/EBADBEEF/f168458028f684a91148f4d3e79...