cc Mike On Thu, Oct 04, 2018 at 08:31:04PM +0000, Roman Gushchin wrote: > On Wed, Oct 03, 2018 at 10:50:12AM +0000, Daniel McGinnes wrote: > > Hi Roman, > > > > I ran the test for ~24 hours. > > > > In this time MemAvailable dropped from 31111424 bytes to 29223928 bytes > > (So a drop of ~1.8GB) > > > > At this time Percpu is occupying 1600512 Kb (~1.5GB) > > > > Here are the percpu stats at the current time (I also collected them > > throughout most of the test so can send that too if required) > > Hi Daniel! > > Did you apply the memory pressure during the test or afterwards? > How big is the machine (number of CPUs? RAM?)? > > MemAvailable was never too accurate, and it's not a big problem by itself. > All per-cpu memory is treated as unreclaimable, even if it can be perfectly > reused. We can, probably, enhance the accuracy by using the new "other > reclaimable" vm counter, but it will never be 100% accurate. > > Thanks!
