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authorRoman Arutyunyan <arut@nginx.com>2014-11-18 20:41:12 +0300
committerRoman Arutyunyan <arut@nginx.com>2014-11-18 20:41:12 +0300
commit2628cc11d44c373e64ac0bc3a4b0e5eac69f371d (patch)
tree8d2d440e06d5c29924b4bd030dcf2624a4b7f0e3 /src/http/modules/ngx_http_scgi_module.c
parent20d41493d428f123cc867590d693ef7e14a4ea11 (diff)
downloadnginx-2628cc11d44c373e64ac0bc3a4b0e5eac69f371d.tar.gz
nginx-2628cc11d44c373e64ac0bc3a4b0e5eac69f371d.zip
Cache: proxy_cache_lock_age and friends.
Once this age is reached, the cache lock is discarded and another request can acquire the lock. Requests which failed to acquire the lock are not allowed to cache the response.
Diffstat (limited to 'src/http/modules/ngx_http_scgi_module.c')
-rw-r--r--src/http/modules/ngx_http_scgi_module.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/http/modules/ngx_http_scgi_module.c b/src/http/modules/ngx_http_scgi_module.c
index 71dcd34f9..ccbfd3263 100644
--- a/src/http/modules/ngx_http_scgi_module.c
+++ b/src/http/modules/ngx_http_scgi_module.c
@@ -276,6 +276,13 @@ static ngx_command_t ngx_http_scgi_commands[] = {
offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_timeout),
NULL },
+ { ngx_string("scgi_cache_lock_age"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_age),
+ NULL },
+
{ ngx_string("scgi_cache_revalidate"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
@@ -1133,6 +1140,7 @@ ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
conf->upstream.cache_lock = NGX_CONF_UNSET;
conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC;
+ conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC;
conf->upstream.cache_revalidate = NGX_CONF_UNSET;
#endif
@@ -1392,6 +1400,9 @@ ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout,
prev->upstream.cache_lock_timeout, 5000);
+ ngx_conf_merge_msec_value(conf->upstream.cache_lock_age,
+ prev->upstream.cache_lock_age, 5000);
+
ngx_conf_merge_value(conf->upstream.cache_revalidate,
prev->upstream.cache_revalidate, 0);