return 404;
}
-<% for i in 0..15 do %>
+<% for i in 0..16 do %>
<% if i == 0 -%>
# Default Fallback Location Handler (lowest)
location / {
proxy_http_version 1.1;
proxy_set_header Connection '';
- proxy_connect_timeout 10s;
+ proxy_connect_timeout 20s;
# Replace host header.
proxy_set_header Host 'tile.openstreetmap.org';
# Caching
proxy_cache "proxy_cache_zone";
proxy_cache_lock on;
- proxy_cache_valid 200 1d;
+ proxy_cache_valid 200 2d;
proxy_cache_valid 404 15m;
# Serve stale cache on errors or if updating
proxy_cache_use_stale error timeout updating http_404 http_500 http_503 http_504;
# If in cache as stale, serve stale and update in background
proxy_cache_background_update on;
+ # Workaround nginx async bug which causes stale cache replies to wait for the async backend cache update reply (seen in v1.16.0)
+ keepalive_requests 0;
# Enable revalidation using If-Modified-Since and If-None-Match for stale items
proxy_cache_revalidate on;
- proxy_cache_min_uses 8;
+ proxy_cache_min_uses 4;
add_header x-cache-status $upstream_cache_status;
<% end -%>