default linux vm settings are abysmal. ratios are all wrong, overcommit is... questionable, cache flushes happen too late. my worst experiences are when there's

default linux vm settings are abysmal. ratios are all wrong, overcommit is... questionable, cache flushes happen too late. my worst experiences are when there's a shitton of free memory and my processes get OOM killed, and not even due to fragmentation.