A further update: I'm seeing what looks like the same paging-out behaviour on an Ubuntu 18.04.2 LTS system I have access to (Dell Optiplex 9020, Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz, 16 GiB RAM). Kernel version: 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux vmstat output is attached for the following timeline: 1580195040 run stress 1580195050 run dd 1580195090 drop caches 1580195110 drop caches So this may be longer-standing than I originally thought. -- Chris
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vmstat_Ubuntu_4.15.0-74-generic.tar.gz
Description: vmstat_Ubuntu_4.15.0-74-generic.tar.gz
