Upstream: removed rudiments of upstream connection caching.
This functionality is now provided by ngx_http_upstream_keepalive_module.
diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
index d1331f4..d786ed1 100644
--- a/src/http/ngx_http_upstream_round_robin.c
+++ b/src/http/ngx_http_upstream_round_robin.c
@@ -373,7 +373,6 @@
ngx_int_t rc;
ngx_uint_t i, n;
- ngx_connection_t *c;
ngx_http_upstream_rr_peer_t *peer;
ngx_http_upstream_rr_peers_t *peers;
@@ -382,26 +381,6 @@
/* ngx_lock_mutex(rrp->peers->mutex); */
- if (rrp->peers->last_cached) {
-
- /* cached connection */
-
- c = rrp->peers->cached[rrp->peers->last_cached];
- rrp->peers->last_cached--;
-
- /* ngx_unlock_mutex(ppr->peers->mutex); */
-
-#if (NGX_THREADS)
- c->read->lock = c->read->own_lock;
- c->write->lock = c->write->own_lock;
-#endif
-
- pc->connection = c;
- pc->cached = 1;
-
- return NGX_OK;
- }
-
pc->cached = 0;
pc->connection = NULL;
diff --git a/src/http/ngx_http_upstream_round_robin.h b/src/http/ngx_http_upstream_round_robin.h
index 3f8cbf8..ea90ab9 100644
--- a/src/http/ngx_http_upstream_round_robin.h
+++ b/src/http/ngx_http_upstream_round_robin.h
@@ -42,10 +42,8 @@
struct ngx_http_upstream_rr_peers_s {
ngx_uint_t number;
- ngx_uint_t last_cached;
/* ngx_mutex_t *mutex; */
- ngx_connection_t **cached;
ngx_uint_t total_weight;