stalled cache updating, error:0

[Franchoze Eric]

010/09/15 07:32:46 [alert] 15486#0: *367785 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 07:47:45 [alert] 15486#0: *578765 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 07:47:48 [alert] 15489#0: *579275 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 07:48:10 [alert] 15486#0: *584688 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 07:49:35 [alert] 15487#0: *603386 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 08:02:53 [alert] 15489#0: *784723 stalled cache updating, error:0 while closing request, client: unix:, server: unix:/tmp/nginx7080.socket
2010/09/15 08:05:02 [alert] 15489#0: *813570 stalled cache updating, error:0 while closing request, client: unix:t, server: unix:/tmp/nginx7080.socket


Should this if has c->error check?

    if (c->updating) {
        ngx_log_error(NGX_LOG_ALERT, c->file.log, 0,
                      "stalled cache updating, error:%ui", c->error);
    }


#/usr/local/nginx-testing/sbin/nginx -V
nginx version: afts/0.8.50
built by gcc 4.1.2 20080704 (Red Hat 4.1.2-48)
configure arguments: --prefix=/usr/local/nginx-testing --with-debug
#

Happens when cache grows to 2.5G.

 #find . |wc -l
208906

#cat /usr/local/nginx-testing/conf/nginx.conf
worker_processes  4;
worker_rlimit_core 10000000000000000;
working_directory /tmp;

events {
    use epoll;
    worker_connections  10240;
    multi_accept on;
}


http {
	proxy_cache_path  /var/www/cache levels=1:1:2 keys_zone=my-cache:1024m max_size=20g inactive=30m;
	proxy_temp_path /var/www/cache/tmp;

    include       mime.types;
    default_type  text/plain;
    access_log off;
    sendfile                     on;
    tcp_nopush                   on;
    keepalive_timeout  1;
    keepalive_requests 30;
    client_header_buffer_size    32k;
    large_client_header_buffers  8 32k;

    resolver 127.0.0.1;

    server {
	listen unix:/tmp/nginx7080.socket;
        gzip_proxied any;
        error_log logs/error_7080_alert.log alert;
        server_name  hss;
        location / {
		proxy_pass http://$host$request_uri;
		proxy_cache my-cache;
		proxy_buffers 16 64k;
		proxy_buffer_size 64k;
		proxy_cache_valid  404  1d;
		proxy_cache_valid  200 301 302 304 10m;
		log_format cache '***$time_local '
			'$upstream_cache_status '
                     	'Cache-Control: $upstream_http_cache_control '
                     	'"$request" ($status) ';
			access_log logs/cache_nginx_access.log cache;
        }
    }
}