As I understand, O. Hartmann's report ( ohartmann at walstatt.org ) in: https://lists.freebsd.org/pipermail/freebsd-current/2018-March/068806.html includes a system with a completely non-ZFS context: UFS only. Quoting that part: > This is from a APU, no ZFS, UFS on a small mSATA device, the APU (PCenigine) works as a > firewall, router, PBX): > > last pid: 9665; load averages: 0.13, 0.13, 0.11 > up 3+06:53:55 00:26:26 19 processes: 1 running, 18 sleeping CPU: 0.3% user, 0.0% > nice, 0.2% system, 0.0% interrupt, 99.5% idle Mem: 27M Active, 6200K Inact, 83M > Laundry, 185M Wired, 128K Buf, 675M Free Swap: 7808M Total, 2856K Used, 7805M Free > [...] > > The APU is running CURRENT ( FreeBSD 12.0-CURRENT #42 r330608: Wed Mar 7 16:55:59 CET > 2018 amd64). Usually, the APU never(!) uses swap, now it is starting to swap like hell > for a couple of days and I have to reboot it failty often. Unless this is unrelated, it would suggest that ZFS and its ARC need not be involved. Would what you are investigating relative to your "NUMA and concurrency related work" fit with such a non-ZFS (no-ARC) context? === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)Received on Mon Mar 12 2018 - 02:30:27 UTC
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