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-rw-r--r--src/core/ngx_connection.c8
-rw-r--r--src/core/ngx_cycle.h1
2 files changed, 7 insertions, 2 deletions
diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index c43163f18..2af287614 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -1204,6 +1204,7 @@ ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable)
if (c->reusable) {
ngx_queue_remove(&c->queue);
+ ngx_cycle->reusable_connections_n--;
#if (NGX_STAT_STUB)
(void) ngx_atomic_fetch_add(ngx_stat_waiting, -1);
@@ -1217,6 +1218,7 @@ ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable)
ngx_queue_insert_head(
(ngx_queue_t *) &ngx_cycle->reusable_connections_queue, &c->queue);
+ ngx_cycle->reusable_connections_n++;
#if (NGX_STAT_STUB)
(void) ngx_atomic_fetch_add(ngx_stat_waiting, 1);
@@ -1228,11 +1230,13 @@ ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable)
static void
ngx_drain_connections(ngx_cycle_t *cycle)
{
- ngx_int_t i;
+ ngx_uint_t i, n;
ngx_queue_t *q;
ngx_connection_t *c;
- for (i = 0; i < 32; i++) {
+ n = ngx_max(ngx_min(32, cycle->reusable_connections_n / 8), 1);
+
+ for (i = 0; i < n; i++) {
if (ngx_queue_empty(&cycle->reusable_connections_queue)) {
break;
}
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index 5cdacf14c..d804eb414 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -53,6 +53,7 @@ struct ngx_cycle_s {
ngx_uint_t modules_used; /* unsigned modules_used:1; */
ngx_queue_t reusable_connections_queue;
+ ngx_uint_t reusable_connections_n;
ngx_array_t listening;
ngx_array_t paths;