NGX_TCP_NODELAY_SET 2588 http/ngx_http_request.c         c->tcp_nodelay = NGX_TCP_NODELAY_SET;
NGX_TCP_NODELAY_SET 2081 http/ngx_http_upstream.c             c->tcp_nodelay = NGX_TCP_NODELAY_SET;
NGX_TCP_NODELAY_SET  156 os/unix/ngx_linux_sendfile_chain.c             if (c->tcp_nodelay == NGX_TCP_NODELAY_SET) {