# HG changeset patch
# User Ruslan Ermilov <ru@nginx.com>
# Date 1364218890 0
# Node ID 0811376954e479b4261dcb86eabe80ab9eef101f
# Parent  c788e54090de198cb4858ee4aab0a0b69456c310
Upstream: removed sorting of upstream servers.

Sorting of upstream servers by their weights is not required by
current balancing algorithms.

This will likely change mapping to backends served by ip_hash
weighted upstreams.

diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
--- a/src/http/ngx_http_upstream_round_robin.c
+++ b/src/http/ngx_http_upstream_round_robin.c
@@ -10,8 +10,6 @@
 #include <ngx_http.h>
 
 
-static ngx_int_t ngx_http_upstream_cmp_servers(const void *one,
-    const void *two);
 static ngx_http_upstream_rr_peer_t *ngx_http_upstream_get_peer(
     ngx_http_upstream_rr_peer_data_t *rrp);
 
@@ -93,10 +91,6 @@ ngx_http_upstream_init_round_robin(ngx_c
 
         us->peer.data = peers;
 
-        ngx_sort(&peers->peer[0], (size_t) n,
-                 sizeof(ngx_http_upstream_rr_peer_t),
-                 ngx_http_upstream_cmp_servers);
-
         /* backup servers */
 
         n = 0;
@@ -151,10 +145,6 @@ ngx_http_upstream_init_round_robin(ngx_c
 
         peers->next = backup;
 
-        ngx_sort(&backup->peer[0], (size_t) n,
-                 sizeof(ngx_http_upstream_rr_peer_t),
-                 ngx_http_upstream_cmp_servers);
-
         return NGX_OK;
     }
 
@@ -216,18 +206,6 @@ ngx_http_upstream_init_round_robin(ngx_c
 }
 
 
-static ngx_int_t
-ngx_http_upstream_cmp_servers(const void *one, const void *two)
-{
-    ngx_http_upstream_rr_peer_t  *first, *second;
-
-    first = (ngx_http_upstream_rr_peer_t *) one;
-    second = (ngx_http_upstream_rr_peer_t *) two;
-
-    return (first->weight < second->weight);
-}
-
-
 ngx_int_t
 ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r,
     ngx_http_upstream_srv_conf_t *us)