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Параметр writing в stat

To: nginx-ru@xxxxxxxxx
Subject: Параметр writing в stat
From: Евгений Осипов <m21r@xxxxx>
Date: Mon, 26 Oct 2009 18:08:36 +0300

ОС: Windows
Конфиг:

worker_processes 1;
error_log logs/error.log;

events {
    accept_mutex off;
    }

http {
    include       mime.types;
    default_type application/octet-stream;

    log_format main '$remote_addr - $remote_user [$time_local] $request '
        '"$status" $body_bytes_sent "$http_referer" '
        '"$http_user_agent" "$http_x_forwarded_for"';

    sendfile        on;
    keepalive_timeout 3;

    gzip on;
    gzip_min_length 1100;
    gzip_buffers 64 8k;
    gzip_comp_level 3;
    gzip_http_version 1.1;
    gzip_proxied any;
    gzip_types text/plain application/xml application/x-_javascript_ text/css;

    server {
        listen       80;
        server_name 21region.org www.21region.org;
        access_log logs/access_server.log;
        error_log logs/error_server.log;

        error_page   403          http://21region.org/error/403.html;
        error_page   404          http://21region.org/error/404.html;

        # Защита изображений ========================

        location ~ \.(bmp|jpg|jpeg|gif|png)$ {
            root html/htdocs;
            access_log   off;
            expires      30d;
            valid_referers none blocked server_names forum.21region.org foto.21region.org ~\.google\. images.yandex.ru doskapozora.ru;
            if ($invalid_referer) {
                rewrite ^ /hotlinkers.png last;
            }
        }

        location = /hotlinkers.png {
            root html/htdocs;
        }

        # Обновления ============================

        location ^~ /avp/ {
            alias html/as/avp/;
            #access_log logs/antivirus.log;
            access_log off;
            error_page   403          http://21region.org/error/a403.html;
            allow 91.197.172.0/22;
            allow 95.81.192.0/19;
            allow 89.151.128.0/18;
            allow 79.133.128.0/19;
            allow 10.0.0.0/8;
            allow 172.20.0.0/14;
            allow 172.96.0.0/12;
            allow 192.168.0.0/16;
            allow 91.192.112.0/22;
            deny all;
        }

        location ^~ /drweb/ {
            alias html/as/drweb/;
            access_log off;
            error_page   403          http://21region.org/error/a403.html;
            allow 91.197.172.0/22;
            allow 95.81.192.0/19;
            allow 89.151.128.0/18;
            allow 79.133.128.0/19;
            allow 10.0.0.0/8;
            allow 172.20.0.0/14;
            allow 172.96.0.0/12;
            allow 192.168.0.0/16;
            allow 91.192.112.0/22;
            deny all;
        }

        location ^~ /nod/ {
            alias html/as/nod/;
            access_log off;
            error_page   403          http://21region.org/error/a403.html;
            allow 91.197.172.0/22;
            allow 95.81.192.0/19;
            allow 89.151.128.0/18;
            allow 79.133.128.0/19;
            allow 10.0.0.0/8;
            allow 172.20.0.0/14;
            allow 172.96.0.0/12;
            allow 192.168.0.0/16;
            allow 91.192.112.0/22;
            deny all;
        }

        location ^~ /nod32_3/ {
            alias html/as/nod32_3/;
            access_log off;
            error_page   403          http://21region.org/error/a403.html;
            allow 91.197.172.0/22;
            allow 95.81.192.0/19;
            allow 89.151.128.0/18;
            allow 79.133.128.0/19;
            allow 10.0.0.0/8;
            allow 172.20.0.0/14;
            allow 172.96.0.0/12;
            allow 192.168.0.0/16;
            allow 91.192.112.0/22;
            deny all;
        }

        location ^~ /nod32/ {
            alias html/as/nod32/;
            access_log off;
            index nod27.html;
            error_page   403          http://21region.org/error/403.html;
            error_page   404          http://21region.org/nod32/nod27.html;
        }

        # Обновления конец =======================

        # Алиасы =================================

        location ^~ /userbars/ {
            alias html/as/userbars/;
            access_log off;
            error_page   403          http://21region.org/error/403.html;
            error_page   404          http://21region.org/error/404.html;
        }

        location ^~ /winners/ {
            alias html/site/winners/;
            access_log off;
            error_page   403          http://21region.org/error/403.html;
            error_page   404          http://21region.org/error/404.html;
        }

        location ^~ /history/ {
            alias html/site/history/;
            access_log off;
            error_page   403          http://21region.org/error/403.html;
            error_page   404          http://21region.org/error/404.html;
        }

        location ~ ^/phpmyadmin/.*\.(png|js|jpg)$ {
            root html/as;
            error_page   403          http://21region.org/error/404.html;
            error_page   404          http://21region.org/error/404.html;
            access_log logs/access_phpmyadmin.log;
            error_log logs/error_phpmyadmin.log;
            allow 79.133.128.0/19;
            allow 95.81.192.0/19;
            allow 195.122.224.0/19;
            allow 172.101.12.18;
            allow 10.50.16.54;
            allow 172.106.0.245;
            deny all;
        }

        # Алиасы конец ==========================

        location / {
            root html/htdocs;
            index index.php;

            client_max_body_size 200M;
            client_body_buffer_size    16k;

            proxy_pass http://127.0.0.1:81;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

            deny 87.118.86.0/23;
            deny 217.20.116.0/24;
            deny 172.101.30.21;
            deny 172.101.30.253;
            deny 172.101.30.41;
            deny 172.20.5.176;
            deny 172.21.6.200;

            }

        location ~* \.(ico|js|css|txt|swf|flv|mp3|aac|mp4|wmv|avi|mpg|mpeg|mov)$ {
            root html/htdocs;
            access_log   off;
            expires      30d;
            }

        location ~* \.(doc|pdf|rtf|xls|zip|rar|exe|7z|msi|gz|bz2|iso)$ {
            root html/htdocs;
            access_log logs/access_download.log;
            expires      30d;
            }

        # Статистика ============================
        location = /stat {
            stub_status on;
            access_log off;
            allow all;
            deny all;
        }
        # Статистика конец =======================

        }

Проблемма в том, что время от времени сайт перестает реагировать на запросы.
Если запросить статистику, параметр Writing показывает примерно 245-250.
Через некоторое время параметр уменьшается, и сервер начинает принимать запросы.
Можно ли как то увеличить этот параметр?
Спасибо.

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