These are a few tweaks I applied to my own memory-constrained cloud instances that seemed to help. I have lower performance requirements so this may make things worse and not better, but it's worth seeing what the impact is. I'll admit to not knowing the full impact of these as they're mostly collected from various tutorials on lowering memory usage. Enable this for now on devstack-multinode Change-Id: I7b223391d3de01e3e81b02076debd01d9d2f097c
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37 KiB