Memory leak?

[Søren Andersen]

Hello,

After upgrading to 9.20.3 i notice some of my dns servers are using a lot more memory than before.
I have max-cache-size 32G; in my config, and bind are using much more memory.. Do you think is a some kind of memory leak?

[root at ns01a ~]# ps faxu |grep named
root     1960789  0.0  0.0   6408  2112 pts/0    S+   10:54   0:00                          \_ grep --color=auto named
named     118563  289 75.7 58950488 49285216 ?   Ssl  Oct17 62810:58 /opt/isc/isc-bind/root/usr/sbin/named -u named
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