My PHP-FPM pool.d config files
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My PHP-FPM pool.d config files.
ping.conf
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[www]ping.path = /ping
processes.conf
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[www]pm.max_children = 5pm.start_servers = 2pm.min_spare_servers = 1pm.max_spare_servers = 3
socket.conf
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[www]listen = /var/run/php5-fpm.socket
status.conf
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[www]pm.status_path = /status
www.conf
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; Start a new pool named 'www'.; the variable $pool can we used in any directive and will be replaced by the; pool name ('www' here)[www]; Per pool prefix; It only applies on the following directives:; - 'slowlog'; - 'listen' (unixsocket); - 'chroot'; - 'chdir'; - 'php_values'; - 'php_admin_values'; When not set, the global prefix (or /usr) applies instead.; Note: This directive can also be relative to the global prefix.; Default Value: none;prefix = /path/to/pools/$pool; Unix user/group of processes; Note: The user is mandatory. If the group is not set, the default user's group; will be used.user = www-datagroup = www-data; The address on which to accept FastCGI requests.; Valid syntaxes are:; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific address on; a specific port;; 'port' - to listen on a TCP socket to all addresses on a; specific port;; '/path/to/unix/socket' - to listen on a unix socket.; Note: This value is mandatory.;listen = 127.0.0.1:9000; Set listen(2) backlog. A value of '-1' means unlimited.; Default Value: 128 (-1 on FreeBSD and OpenBSD);listen.backlog = -1; Set permissions for unix socket, if one is used. In Linux, read/write; permissions must be set in order to allow connections from a web server. Many; BSD-derived systems allow connections regardless of permissions.; Default Values: user and group are set as the running user; mode is set to 0666;listen.owner = www-data;listen.group = www-data;listen.mode = 0666; List of ipv4 addresses of FastCGI clients which are allowed to connect.; Equivalent to the FCGI_WEB_SERVER_ADDRS environment variable in the original; PHP FCGI (5.2.2+). Makes sense only with a tcp listening socket. Each address; must be separated by a comma. If this value is left blank, connections will be; accepted from any ip address.; Default Value: any;listen.allowed_clients = 127.0.0.1; Choose how the process manager will control the number of child processes.; Possible Values:; static - a fixed number (pm.max_children) of child processes;; dynamic - the number of child processes are set dynamically based on the; following directives. With this process management, there will be; always at least 1 children.; pm.max_children - the maximum number of children that can; be alive at the same time.; pm.start_servers - the number of children created on startup.; pm.min_spare_servers - the minimum number of children in 'idle'; state (waiting to process). If the number; of 'idle' processes is less than this; number then some children will be created.; pm.max_spare_servers - the maximum number of children in 'idle'; state (waiting to process). If the number; of 'idle' processes is greater than this; number then some children will be killed.; ondemand - no children are created at startup. Children will be forked when; new requests will connect. The following parameter are used:; pm.max_children - the maximum number of children that; can be alive at the same time.; pm.process_idle_timeout - The number of seconds after which; an idle process will be killed.; Note: This value is mandatory.pm = dynamic; The number of child processes to be created when pm is set to 'static' and the; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.; This value sets the limit on the number of simultaneous requests that will be; served. Equivalent to the ApacheMaxClients directive with mpm_prefork.; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP; CGI. The below defaults are based on a server without much resources. Don't; forget to tweak pm.* to fit your needs.; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'; Note: This value is mandatory.;pm.max_children = 10; The number of child processes created on startup.; Note: Used only when pm is set to 'dynamic'; Default Value: min_spare_servers + (max_spare_servers - min_spare_servers) / 2;pm.start_servers = 4; The desired minimum number of idle server processes.; Note: Used only when pm is set to 'dynamic'; Note: Mandatory when pm is set to 'dynamic';pm.min_spare_servers = 2; The desired maximum number of idle server processes.; Note: Used only when pm is set to 'dynamic'; Note: Mandatory when pm is set to 'dynamic';pm.max_spare_servers = 6; The number of seconds after which an idle process will be killed.; Note: Used only when pm is set to 'ondemand'; Default Value: 10s;pm.process_idle_timeout = 10s;; The number of requests each child process should execute before respawning.; This can be useful to work around memory leaks in 3rd party libraries. For; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.; Default Value: 0;pm.max_requests = 500; The URI to view the FPM status page. If this value is not set, no URI will be; recognized as a status page. It shows the following informations:; pool - the name of the pool;; process manager - static, dynamic or ondemand;; start time - the date and time FPM has started;; start since - number of seconds since FPM has started;; accepted conn - the number of request accepted by the pool;; listen queue - the number of request in the queue of pending; connections (see backlog in listen(2));; max listen queue - the maximum number of requests in the queue; of pending connections since FPM has started;; listen queue len - the size of the socket queue of pending connections;; idle processes - the number of idle processes;; active processes - the number of active processes;; total processes - the number of idle + active processes;; max active processes - the maximum number of active processes since FPM; has started;; max children reached - number of times, the process limit has been reached,; when pm tries to start more children (works only for; pm 'dynamic' and 'ondemand');; Value are updated in real time.; Example output:; pool: www; process manager: static; start time: 01/Jul/2011:17:53:49 +0200; start since: 62636; accepted conn: 190460; listen queue: 0; max listen queue: 1; listen queue len: 42; idle processes: 4; active processes: 11; total processes: 15; max active processes: 12; max children reached: 0;; By default the status page output is formatted as text/plain. Passing either; 'html', 'xml' or 'json' in the query string will return the corresponding; output syntax. Example:; http://www.foo.bar/status; http://www.foo.bar/status?json; http://www.foo.bar/status?html; http://www.foo.bar/status?xml;; By default the status page only outputs short status. Passing 'full' in the; query string will also return status for each pool process.; Example:; http://www.foo.bar/status?full; http://www.foo.bar/status?json&full; http://www.foo.bar/status?html&full; http://www.foo.bar/status?xml&full; The Full status returns for each process:; pid - the PID of the process;; state - the state of the process (Idle, Running, ...);; start time - the date and time the process has started;; start since - the number of seconds since the process has started;; requests - the number of requests the process has served;; request duration - the duration in µs of the requests;; request method - the request method (GET, POST, ...);; request URI - the request URI with the query string;; content length - the content length of the request (only with POST);; user - the user (PHP_AUTH_USER) (or '-' if not set);; script - the main script called (or '-' if not set);; last request cpu - the %cpu the last request consumed; it's always 0 if the process is not in Idle state; because CPU calculation is done when the request; processing has terminated;; last request memory - the max amount of memory the last request consumed; it's always 0 if the process is not in Idle state; because memory calculation is done when the request; processing has terminated;; If the process is in Idle state, then informations are related to the; last request the process has served. Otherwise informations are related to; the current request being served.; Example output:; ************************; pid: 31330; state: Running; start time: 01/Jul/2011:17:53:49 +0200; start since: 63087; requests: 12808; request duration: 1250261; request method: GET; request URI: /test_mem.php?N=10000; content length: 0; user: -; script: /home/fat/web/docs/php/test_mem.php; last request cpu: 0.00; last request memory: 0;; Note: There is a real-time FPM status monitoring sample web page available; It's available in: ${prefix}/share/fpm/status.html;; Note: The value must start with a leading slash (/). The value can be; anything, but it may not be a good idea to use the .php extension or it; may conflict with a real PHP file.; Default Value: not set;pm.status_path = /status; The ping URI to call the monitoring page of FPM. If this value is not set, no; URI will be recognized as a ping page. This could be used to test from outside; that FPM is alive and responding, or to; - create a graph of FPM availability (rrd or such);; - remove a server from a group if it is not responding (load balancing);; - trigger alerts for the operating team (24/7).; Note: The value must start with a leading slash (/). The value can be; anything, but it may not be a good idea to use the .php extension or it; may conflict with a real PHP file.; Default Value: not set;ping.path = /ping; This directive may be used to customize the response of a ping request. The; response is formatted as text/plain with a 200 response code.; Default Value: pong;ping.response = pong; The access log file; Default: not set;access.log = log/$pool.access.log; The access log format.; The following syntax is allowed; %%: the '%' character; %C: %CPU used by the request; it can accept the following format:; - %{user}C for user CPU only; - %{system}C for system CPU only; - %{total}C for user + system CPU (default); %d: time taken to serve the request; it can accept the following format:; - %{seconds}d (default); - %{miliseconds}d; - %{mili}d; - %{microseconds}d; - %{micro}d; %e: an environment variable (same as $_ENV or $_SERVER); it must be associated with embraces to specify the name of the env; variable. Some exemples:; - server specifics like: %{REQUEST_METHOD}e or %{SERVER_PROTOCOL}e; - HTTP headers like: %{HTTP_HOST}e or %{HTTP_USER_AGENT}e; %f: script filename; %l: content-length of the request (for POST request only); %m: request method; %M: peak of memory allocated by PHP; it can accept the following format:; - %{bytes}M (default); - %{kilobytes}M; - %{kilo}M; - %{megabytes}M; - %{mega}M; %n: pool name; %o: ouput header; it must be associated with embraces to specify the name of the header:; - %{Content-Type}o; - %{X-Powered-By}o; - %{Transfert-Encoding}o; - ....; %p: PID of the child that serviced the request; %P: PID of the parent of the child that serviced the request; %q: the query string; %Q: the '?' character if query string exists; %r: the request URI (without the query string, see %q and %Q); %R: remote IP address; %s: status (response code); %t: server time the request was received; it can accept a strftime(3) format:; %d/%b/%Y:%H:%M:%S %z (default); %T: time the log has been written (the request has finished); it can accept a strftime(3) format:; %d/%b/%Y:%H:%M:%S %z (default); %u: remote user;; Default: "%R - %u %t \"%m %r\" %s";access.format = %R - %u %t "%m %r%Q%q" %s %f %{mili}d %{kilo}M %C%%; The log file for slow requests; Default Value: not set; Note: slowlog is mandatory if request_slowlog_timeout is set;slowlog = log/$pool.log.slow; The timeout for serving a single request after which a PHP backtrace will be; dumped to the 'slowlog' file. A value of '0s' means 'off'.; Available units: s(econds)(default), m(inutes), h(ours), or d(ays); Default Value: 0;request_slowlog_timeout = 0; The timeout for serving a single request after which the worker process will; be killed. This option should be used when the 'max_execution_time' ini option; does not stop script execution for some reason. A value of '0' means 'off'.; Available units: s(econds)(default), m(inutes), h(ours), or d(ays); Default Value: 0;request_terminate_timeout = 0; Set open file descriptor rlimit.; Default Value: system defined value;rlimit_files = 1024; Set max core size rlimit.; Possible Values: 'unlimited' or an integer greater or equal to 0; Default Value: system defined value;rlimit_core = 0; Chroot to this directory at the start. This value must be defined as an; absolute path. When this value is not set, chroot is not used.; Note: you can prefix with '$prefix' to chroot to the pool prefix or one; of its subdirectories. If the pool prefix is not set, the global prefix; will be used instead.; Note: chrooting is a great security feature and should be used whenever; possible. However, all PHP paths will be relative to the chroot; (error_log, sessions.save_path, ...).; Default Value: not set;chroot =; Chdir to this directory at the start.; Note: relative path can be used.; Default Value: current directory or / when chrootchdir = /; Redirect worker stdout and stderr into main error log. If not set, stdout and; stderr will be redirected to /dev/null according to FastCGI specs.; Note: on highloaded environement, this can cause some delay in the page; process time (several ms).; Default Value: no;catch_workers_output = yes; Limits the extensions of the main script FPM will allow to parse. This can; prevent configuration mistakes on the web server side. You should only limit; FPM to .php extensions to prevent malicious users to use other extensions to; exectute php code.; Note: set an empty value to allow all extensions.; Default Value: .php;security.limit_extensions = .php .php3 .php4 .php5; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from; the current environment.; Default Value: clean env;env[HOSTNAME] = $HOSTNAME;env[PATH] = /usr/local/bin:/usr/bin:/bin;env[TMP] = /tmp;env[TMPDIR] = /tmp;env[TEMP] = /tmp; Additional php.ini defines, specific to this pool of workers. These settings; overwrite the values previously defined in the php.ini. The directives are the; same as the PHP SAPI:; php_value/php_flag - you can set classic ini defines which can; be overwritten from PHP call 'ini_set'.; php_admin_value/php_admin_flag - these directives won't be overwritten by; PHP call 'ini_set'; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no.; Defining 'extension' will load the corresponding shared extension from; extension_dir. Defining 'disable_functions' or 'disable_classes' will not; overwrite previously defined php.ini values, but will append the new value; instead.; Note: path INI options can be relative and will be expanded with the prefix; (pool, global or /usr); Default Value: nothing is defined by default except the values in php.ini and; specified at startup with the -d argument;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com;php_flag[display_errors] = off;php_admin_value[error_log] = /var/log/fpm-php.www.log;php_admin_flag[log_errors] = on;php_admin_value[memory_limit] = 32M
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