RHEL-8 Consumes big portion of memory in buff/cache.

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Please see the below output in my production system memory usages including buffer/cache.
I want to know is this status is normal ? if yes, please explain.
And ans is no, please guide what should I do.

[root@example-01 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux release 8.3 (Ootpa)
[root@example-01 ~]# free -h
              total        used        free      shared  buff/cache   available
Mem:           62Gi        26Gi       162Mi       1.6Gi        36Gi        34Gi
Swap:          31Gi       3.4Gi        28Gi


Yes, it's normal for buff/cache usage to be high. Your system has ~34G available memory.

A good page explaining this is Linux Ate My RAM.