# File lib/openshift-origin-controller/lib/openshift/mongo_data_store.rb, line 285
    def unreserve_district_uid(uuid, uid)
      Rails.logger.debug "unreserve_district_uid(#{uuid})\n\n"
      update_district({"_id" => uuid, "available_uids" => {"$ne" => uid}}, {"$push" => { "available_uids" => uid}, "$inc" => { "available_capacity" => 1 }})
    end