NGX_HTTP_CACHE_SCARCE  274 http/ngx_http_file_cache.c         return NGX_HTTP_CACHE_SCARCE;
NGX_HTTP_CACHE_SCARCE  294 http/ngx_http_file_cache.c                 return NGX_HTTP_CACHE_SCARCE;
NGX_HTTP_CACHE_SCARCE  298 http/ngx_http_file_cache.c             rv = NGX_HTTP_CACHE_SCARCE;
NGX_HTTP_CACHE_SCARCE  743 http/ngx_http_upstream.c     case NGX_HTTP_CACHE_SCARCE: