Hi Chris, Am 28.07.19 um 23:39 schrieb Chris Down: > Hi Stefan, > > Stefan Priebe - Profihost AG writes: >> anon 8113229824 > > You mention this problem happens if you set memory.high to 6.5G, however > in steady state your application is 8G. This is a current memory.stat now i would test with memory.high set to 7.9 or 8G. Last week it was at 6.5G What makes you think it (both > its RSS and other shared resources like the page cache and other shared > resources) can compress to 6.5G without memory thrashing? If i issue echo 3 > drop_caches the usage always drops down to 5.8G > I expect you're just setting memory.high so low that we end up having to > constantly thrash the disk due to reclaim, from the evidence you presented. This sounds interesting? How can i verify this? And what do you mean by trashing the disk? swap is completely disabled. I thought all memory which i can drop with drop_caches can be reclaimed? Greets, Stefan