[Bug 275594] High CPU usage by arc_prune; analysis and fix
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Date: Fri, 15 Mar 2024 10:30:33 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275594
geoffroy desvernay <dgeo@centrale-med.fr> changed:
What |Removed |Added
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CC| |dgeo@centrale-med.fr
--- Comment #91 from geoffroy desvernay <dgeo@centrale-med.fr> ---
On 13.3 release, since upgrading from 13.2-RELEASEp10, just copying /usr/src
from zfs to nfs I had the same (in top +H +S):
0 root -8 - 0B 6096K CPU8 8 3:32 99.74%
kernel{arc_prune}
(and poudriere quite locking the full machine on a poudriere bulk - especially
compiling rust)
Just updated kernel to releng/13.3 + the two patches of #87 on stable/13.3.
Machine now compiling everything *and* copying many times /usr/src on a loop,
thank you Seigo !!!
I'll wait for errata on 13.3 (at least) to upgrade our servers here…
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