## performance settings
infra-cache-slabs: 4
 key-cache-slabs: 4
 msg-cache-size: 302921045
 msg-cache-slabs: 4
 num-queries-per-thread: 4096
 num-threads: 2
 outgoing-range: 8192
 rrset-cache-size: 605842090
 rrset-cache-slabs: 4
 minimal-responses: yes
 so-reuseport: yes
 prefetch: yes
 prefetch-key: yes
 serve-expired: yes