[nginx] Increased the default "connection_pool_size" on 64-bit p...

[Valentin Bartenev]

details:   http://hg.nginx.org/nginx/rev/ea3ba1ce7014
branches:  
changeset: 6309:ea3ba1ce7014
user:      Valentin Bartenev <vbart at nginx.com>
date:      Mon Nov 30 16:27:33 2015 +0300
description:
Increased the default "connection_pool_size" on 64-bit platforms.

The previous default of 256 bytes isn't enough and results in two
allocations on each accepted connection, which is suboptimal.

diffstat:

 src/http/ngx_http_core_module.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r 7e241b36819d -r ea3ba1ce7014 src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c	Mon Nov 30 12:04:29 2015 +0300
+++ b/src/http/ngx_http_core_module.c	Mon Nov 30 16:27:33 2015 +0300
@@ -3503,7 +3503,7 @@ ngx_http_core_merge_srv_conf(ngx_conf_t 
     /* TODO: it does not merge, it inits only */
 
     ngx_conf_merge_size_value(conf->connection_pool_size,
-                              prev->connection_pool_size, 256);
+                              prev->connection_pool_size, NGX_PTR_SIZE * 64);
     ngx_conf_merge_size_value(conf->request_pool_size,
                               prev->request_pool_size, 4096);
     ngx_conf_merge_msec_value(conf->client_header_timeout,