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by GoodIntentions 5180 days ago
"Personally I treat it as a failure if we ever hit swap"

/agree. but still a useful feature.

The degraded performance a system will show when it starts hitting disk instead of memory is a great 'soft' failure.

I think it is good to have graduations. Going from 'OK' to 'Damn-this-is-slow' before 'Fail' is handy.