ProxyPass /api/0.6/tracepoints balancer://backend/api/0.6/tracepoints
ProxyPass /api/0.6/amf/read balancer://backend/api/0.6/amf/read
ProxyPass /api/0.6/swf/trackpoints balancer://backend/api/0.6/swf/trackpoints
+ ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+)$ balancer://backend$1
ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/upload)$ balancer://bytemark$1
ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/download)$ balancer://backend$1
ProxyPassMatch ^(/api/0\.6/(node|way|relation)/[0-9]+)$ balancer://backend$1