From: Ondřej Surý <ondrej@isc.org>
Date: Tue, 5 May 2026 11:10:30 +0000 (+0200)
Subject: chg: usr: Fix CPU spikes and slow queries when cache approaches memory limit
X-Git-Tag: v9.21.22~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2e7e9f51dbc847b46994715dc68a209e1023d1aa;p=thirdparty%2Fbind9.git

chg: usr: Fix CPU spikes and slow queries when cache approaches memory limit

Spread cache cleanup probabilistically to avoid CPU usage
spikes and a drop in query throughput.

Closes isc-projects/bind9#5891

Merge branch '5891-improve-overmem-cleaning' into 'security-main'

See merge request isc-private/bind9!1002
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2e7e9f51dbc847b46994715dc68a209e1023d1aa