Am 10.09.19 um 15:05 schrieb Stefan Priebe - Profihost AG: > > Am 10.09.19 um 14:57 schrieb Michal Hocko: >> On Tue 10-09-19 14:45:37, Stefan Priebe - Profihost AG wrote: >>> Hello Michal, >>> >>> ok this might take a long time. Attached you'll find a graph from a >>> fresh boot what happens over time (here 17 August to 30 August). Memory >>> Usage decreases as well as cache but slowly and only over time and days. >>> >>> So it might take 2-3 weeks running Kernel 5.3 to see what happens. >> >> No problem. Just make sure to collect the requested data from the time >> you see the actual problem. Btw. you try my very dumb scriplets to get >> an idea of how much memory gets reclaimed due to THP. > > You mean your sed and sort on top of the trace file? No i did not with > the current 5.3 kernel do you think it will show anything interesting? > Which line shows me how much memory gets reclaimed due to THP? Is something like a kernel memory leak possible? Or wouldn't this end up in having a lot of free memory which doesn't seem usable. I also wonder why a reclaim takes place when there is enough memory. Greets, Stefan