[Bug 290207] [ZFS] lowering "vfs.zfs.arc.max" to a low value causes kernel threads of "arc_evict" to use 91% CPU and disks to wait. System gets unresponsive...
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Date: Fri, 31 Oct 2025 13:35:46 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290207
--- Comment #16 from Nils Beyer <nbe@vkf-renzel.de> ---
(In reply to Mark Millard from comment #15)
I did that with "awk '$5 != 0'". Well, the resulting unified diff is
surprisingly small ;-)
---------------------------------- SNIP ----------------------------------
# RES ACT INACT LAUND WIRED REF SHD CM TP PATH
--- vmstat.o.0before.stripped.txt 2025-10-31 14:31:49.301761000 +0100
+++ vmstat.o.1after.stripped.txt 2025-10-31 14:31:59.094711000 +0100
@@ -2,7 +2,7 @@
11 0 0 0 11 3 0 WB ph
200 0 0 0 200 3 0 WB ph
66 0 0 0 66 1 0 WB ph
- 2368 0 0 0 2368 1 0 WB ph
+ 2376 0 0 0 2376 1 0 WB ph
12 0 0 0 12 3 0 WB ph
3 0 0 0 3 3 0 WB ph
4 0 0 0 4 3 0 WB ph
---------------------------------- SNIP ----------------------------------
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