Random Instant 502 Bad Gateway Errors
Joe
frumentius at gmail.com
Sat May 29 22:46:16 MSD 2010
So yes, I agree with you Loyet.
Currently using apc combined with the fpm spawn.
Frequently fpm restarted, and might be raising up the children in the
future.
We should take care about it very well, based on daily usage experience, to
get the good nginx and fpm tune configuration.
Regards,
Joe
2010/5/30 Jérôme Loyet <jerome at loyet.net>
> 2010/5/29 Joe <frumentius at gmail.com>:
> > Usually using 5 is quiet enough.
>
> either you have a well optimized website with a 99% cache ratio or you
> don't have traffic. In the real world, there is so much web apps which
> consume a lot of resources and for thoses you'll need much more than 5
> children to handle them.
> >
> >
> > Regards,
> > Joe
> >
> >
> > 2010/5/30 Michael Shadle <mike503 at gmail.com>
> >>
> >> 150 children is quite a lot. Sure you need that? :)
> >>
> >> On May 29, 2010, at 6:02 AM, "TheCrach" <nginx-forum at nginx.us> wrote:
> >>
> >>> Hi,
> >>>
> >>> I'm French and I've some problem with nginx 0.8.38 and PHP-FPM 5.3.0
> with
> >>> Suhosin patch :/
> >>> I've got random instant 502 Bad Gateway errors, generaly a refresh make
> >>> the page works again but it's really anoying.
> >>>
> >>> Nginx Config :
> >>> [code]
> >>> user www;
> >>> worker_processes 1;
> >>> daemon on;
> >>>
> >>> error_log /var/log/nginx/error.log;
> >>> pid /var/run/nginx.pid;
> >>>
> >>> worker_rlimit_nofile 32000;
> >>>
> >>> events {
> >>> worker_connections 4096;
> >>> use epoll;
> >>> }
> >>>
> >>> http {
> >>>
> >>> include mime.types;
> >>> default_type text/plain;
> >>>
> >>> limit_zone http $binary_remote_addr 1m;
> >>> limit_zone https $binary_remote_addr 1m;
> >>>
> >>> client_body_timeout 8;
> >>> client_header_timeout 5;
> >>> keepalive_timeout 5;
> >>> keepalive_requests 10;
> >>> send_timeout 8;
> >>>
> >>> client_max_body_size 512k;
> >>>
> >>> access_log off;
> >>> error_log off;
> >>>
> >>> client_header_buffer_size 16k;
> >>> large_client_header_buffers 16 16k;
> >>>
> >>> output_buffers 2 32k;
> >>> postpone_output 1460;
> >>>
> >>> sendfile on;
> >>> tcp_nopush on;
> >>> tcp_nodelay on;
> >>> reset_timedout_connection on;
> >>>
> >>> ignore_invalid_headers on;
> >>> autoindex on;
> >>> msie_padding on;
> >>>
> >>> gzip on;
> >>> gzip_http_version 1.1;
> >>> gzip_vary on;
> >>> gzip_comp_level 6;
> >>> gzip_proxied any;
> >>> gzip_types text/plain text/css application/json
> >>> application/x-javascript text/xml application/xml application/xml+rss
> >>> text/javascript;
> >>> gzip_buffers 16 16k;
> >>> gzip_disable “MSIE [1-6].(?!.*SV1)”;
> >>>
> >>> server
> >>> {
> >>> listen 80 default rcvbuf=8192 sndbuf=16384 backlog=65536;
> >>> index index.html index.htm index.php;
> >>> root /home/www/;
> >>>
> >>> limit_conn http 10;
> >>>
> >>> access_log off;
> >>>
> >>> location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ {
> >>> expires 3600;
> >>> break;
> >>> }
> >>>
> >>> location ~ \.php(/|$) {
> >>> include fastcgi_params;
> >>> }
> >>>
> >>> location ~ \.php5(/|$) {
> >>> include fastcgi_params;
> >>> }
> >>>
> >>> location ~ \.php4(/|$) {
> >>> include fastcgi_params;
> >>> }
> >>>
> >>> location /cache/status {
> >>> stub_status on;
> >>> access_log off;
> >>> }
> >>> }
> >>> [/code]
> >>>
> >>> Fastcgi params :
> >>>
> >>> [code]
> >>> fastcgi_connect_timeout 5;
> >>> fastcgi_send_timeout 8;
> >>> fastcgi_buffer_size 512k;
> >>> fastcgi_buffers 64 64k;
> >>> fastcgi_busy_buffers_size 512k;
> >>> fastcgi_temp_file_write_size 512k;
> >>> fastcgi_ignore_client_abort on;
> >>> fastcgi_intercept_errors on;
> >>> fastcgi_read_timeout 45;
> >>>
> >>> fastcgi_pass unix:/tmp/php.socket;
> >>> fastcgi_index index.php;
> >>> fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
> >>> fastcgi_param QUERY_STRING $query_string;
> >>> fastcgi_param REQUEST_METHOD $request_method;
> >>> fastcgi_param CONTENT_TYPE $content_type;
> >>> fastcgi_param CONTENT_LENGTH $content_length;
> >>> fastcgi_param SCRIPT_NAME $fastcgi_script_name;
> >>> fastcgi_param REQUEST_URI $request_uri;
> >>> fastcgi_param DOCUMENT_URI $document_uri;
> >>> fastcgi_param DOCUMENT_ROOT $document_root;
> >>> fastcgi_param SERVER_PROTOCOL $server_protocol;
> >>> fastcgi_param GATEWAY_INTERFACE CGI;
> >>> fastcgi_param SERVER_SOFTWARE RD;
> >>> fastcgi_param REMOTE_ADDR $remote_addr;
> >>> fastcgi_param REMOTE_PORT $remote_port;
> >>> fastcgi_param SERVER_ADDR $server_addr;
> >>> fastcgi_param SERVER_PORT $server_port;
> >>> fastcgi_param SERVER_NAME $server_name;
> >>> fastcgi_param REDIRECT_STATUS 200;
> >>> [/code]
> >>>
> >>> PHP-FPM conf :
> >>>
> >>> [code]
> >>> <?xml version="1.0" ?>
> >>> <configuration>
> >>> <section name="global_options">
> >>> <value name="pid_file">/var/run/php5-fpm.pid</value>
> >>> <value name="error_log">/var/log/php-fpm.log</value>
> >>> <value name="log_level">warn</value>
> >>> <value name="emergency_restart_threshold">60</value>
> >>> <value name="emergency_restart_interval">1m</value>
> >>> <value name="process_control_timeout">4s</value>
> >>> <value name="daemonize">yes</value>
> >>> </section>
> >>>
> >>> <workers>
> >>> <section name="pool">
> >>> <value name="name">RD</value>
> >>> <value name="listen_address">/tmp/php.socket</value>
> >>> <value name="listen_options">
> >>> <value name="backlog">-1</value>
> >>> <value name="owner">www</value>
> >>> <value name="group">www</value>
> >>> <value name="mode">0666</value>
> >>> </value>
> >>>
> >>> <value name="php_defines">
> >>> </value>
> >>>
> >>> <value name="user">www</value>
> >>> <value name="group">www</value>
> >>>
> >>> <value name="pm">
> >>> <value name="style">static</value>
> >>> <value name="max_children">150</value>
> >>> <value name="apache_like">
> >>> <value name="StartServers">25</value>
> >>> <value name="MinSpareServers">5</value>
> >>> <value name="MaxSpareServers">35</value>
> >>> </value>
> >>> </value>
> >>>
> >>> <value name="request_terminate_timeout">0s</value>
> >>> <value name="request_slowlog_timeout">0s</value>
> >>> <value name="slowlog">/var/log/php-fpm.log.slow</value>
> >>> <value name="rlimit_files">1024</value>
> >>> <value name="rlimit_core">0</value>
> >>> <value name="chroot"></value>
> >>> <value name="chdir"></value>
> >>> <value name="catch_workers_output">yes</value>
> >>> <value name="max_requests">65536</value>
> >>> <value name="allowed_clients">127.0.0.1</value>
> >>>
> >>> <value name="environment">
> >>> <value name="HOSTNAME">$HOSTNAME</value>
> >>> <value name="PATH">/usr/local/bin:/usr/bin:/bin</value>
> >>> <value name="TMP">/tmp</value>
> >>> <value name="TMPDIR">/tmp</value>
> >>> <value name="TEMP">/tmp</value>
> >>> <value name="OSTYPE">$OSTYPE</value>
> >>> <value name="MACHTYPE">$MACHTYPE</value>
> >>> <value name="MALLOC_CHECK_">2</value>
> >>> </value>
> >>> </section>
> >>> </workers>
> >>> </configuration>
> >>> [/code]
> >>>
> >>> Server config :
> >>>
> >>> [code]
> >>> Intel Corei5 (Lynnfield) 4x 2.66+ GHz 8 Mo L2 - FSB 1333 MHz
> >>> 64 bits
> >>> 8 Go DDR3
> >>> Intel SSD X25-M 2x 80 Go RAID 0/1
> >>> GigaEthernet
> >>> [/code]
> >>>
> >>> If anyone have an idea :)
> >>>
> >>> It's very strange because it's instant and random whereas it would be
> >>> timedout all the time :/
> >>>
> >>> Thank's in advance.
> >>>
> >>> Posted at Nginx Forum:
> >>> http://forum.nginx.org/read.php?2,91854,91854#msg-91854
> >>>
> >>>
> >>> _______________________________________________
> >>> nginx mailing list
> >>> nginx at nginx.org
> >>> http://nginx.org/mailman/listinfo/nginx
> >>
> >> _______________________________________________
> >> nginx mailing list
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> >
> >
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> >
> >
>
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