ngx_http_upstream_empty_save_session   24 src/http/ngx_http_upstream_round_robin.c static void ngx_http_upstream_empty_save_session(ngx_peer_connection_t *pc,
ngx_http_upstream_empty_save_session  411 src/http/ngx_http_upstream_round_robin.c     r->upstream->peer.save_session = ngx_http_upstream_empty_save_session;