ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/upload)$ balancer://amsterdam$1
ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/download)$ balancer://backend$1
ProxyPassMatch ^(/api/0\.6/(node|way|relation)/[0-9]+)$ balancer://backend$1
ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/upload)$ balancer://amsterdam$1
ProxyPassMatch ^(/api/0\.6/changeset/[0-9]+/download)$ balancer://backend$1
ProxyPassMatch ^(/api/0\.6/(node|way|relation)/[0-9]+)$ balancer://backend$1