upstream tile_cache_backend {
server 127.0.0.1;
+ server 127.0.0.2;
+ server 127.0.0.3;
# Add the other caches to relieve pressure if local squid failing
# Balancer: round-robin
<% end -%>
<% end -%>
- keepalive 1024;
+ keepalive 512;
keepalive_requests 1024;
}