Events: the "accept_mutex" directive is turned off by default.

Now it is believed that the accept mutex brings more harm than benefits.
Especially in various benchmarks it often results in situation where only
one worker grabs all connections.

diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index c8ae5b2cf9ef4040e6d0b182b49464dc96074cc2..2f3a098dec25814efda6cac5735f4aeb586b9f0d 100644 (file)
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -1261,7 +1261,7 @@ ngx_event_core_init_conf(ngx_cycle_t *cycle, void *conf)
     ngx_conf_init_ptr_value(ecf->name, event_module->name->data);
 
     ngx_conf_init_value(ecf->multi_accept, 0);
-    ngx_conf_init_value(ecf->accept_mutex, 1);
+    ngx_conf_init_value(ecf->accept_mutex, 0);
     ngx_conf_init_msec_value(ecf->accept_mutex_delay, 500);
 
     return NGX_CONF_OK;