1; Start a new pool named 'www'. 2; the variable $pool can be used in any directive and will be replaced by the 3; pool name ('www' here) 4[www] 5 6; Per pool prefix 7; It only applies on the following directives: 8; - 'access.log' 9; - 'slowlog' 10; - 'listen' (unixsocket) 11; - 'chroot' 12; - 'chdir' 13; - 'php_values' 14; - 'php_admin_values' 15; When not set, the global prefix (or @php_fpm_prefix@) applies instead. 16; Note: This directive can also be relative to the global prefix. 17; Default Value: none 18;prefix = /path/to/pools/$pool 19 20; Unix user/group of the child processes. This can be used only if the master 21; process running user is root. It is set after the child process is created. 22; The user and group can be specified either by their name or by their numeric 23; IDs. 24; Note: If the user is root, the executable needs to be started with 25; --allow-to-run-as-root option to work. 26; Default Values: The user is set to master process running user by default. 27; If the group is not set, the user's group is used. 28user = @php_fpm_user@ 29group = @php_fpm_group@ 30 31; The address on which to accept FastCGI requests. 32; Valid syntaxes are: 33; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific IPv4 address on 34; a specific port; 35; '[ip:6:addr:ess]:port' - to listen on a TCP socket to a specific IPv6 address on 36; a specific port; 37; 'port' - to listen on a TCP socket to all addresses 38; (IPv6 and IPv4-mapped) on a specific port; 39; '/path/to/unix/socket' - to listen on a unix socket. 40; Note: This value is mandatory. 41listen = 127.0.0.1:9000 42 43; Set listen(2) backlog. 44; Default Value: 511 (-1 on FreeBSD and OpenBSD) 45;listen.backlog = 511 46 47; Set permissions for unix socket, if one is used. In Linux, read/write 48; permissions must be set in order to allow connections from a web server. Many 49; BSD-derived systems allow connections regardless of permissions. The owner 50; and group can be specified either by name or by their numeric IDs. 51; Default Values: Owner is set to the master process running user. If the group 52; is not set, the owner's group is used. Mode is set to 0660. 53;listen.owner = @php_fpm_user@ 54;listen.group = @php_fpm_group@ 55;listen.mode = 0660 56 57; When POSIX Access Control Lists are supported you can set them using 58; these options, value is a comma separated list of user/group names. 59; When set, listen.owner and listen.group are ignored 60;listen.acl_users = 61;listen.acl_groups = 62 63; List of addresses (IPv4/IPv6) of FastCGI clients which are allowed to connect. 64; Equivalent to the FCGI_WEB_SERVER_ADDRS environment variable in the original 65; PHP FCGI (5.2.2+). Makes sense only with a tcp listening socket. Each address 66; must be separated by a comma. If this value is left blank, connections will be 67; accepted from any ip address. 68; Default Value: any 69;listen.allowed_clients = 127.0.0.1 70 71; Specify the nice(2) priority to apply to the pool processes (only if set) 72; The value can vary from -19 (highest priority) to 20 (lower priority) 73; Note: - It will only work if the FPM master process is launched as root 74; - The pool processes will inherit the master process priority 75; unless it specified otherwise 76; Default Value: no set 77; process.priority = -19 78 79; Set the process dumpable flag (PR_SET_DUMPABLE prctl) even if the process user 80; or group is different than the master process user. It allows to create process 81; core dump and ptrace the process for the pool user. 82; Default Value: no 83; process.dumpable = yes 84 85; Choose how the process manager will control the number of child processes. 86; Possible Values: 87; static - a fixed number (pm.max_children) of child processes; 88; dynamic - the number of child processes are set dynamically based on the 89; following directives. With this process management, there will be 90; always at least 1 children. 91; pm.max_children - the maximum number of children that can 92; be alive at the same time. 93; pm.start_servers - the number of children created on startup. 94; pm.min_spare_servers - the minimum number of children in 'idle' 95; state (waiting to process). If the number 96; of 'idle' processes is less than this 97; number then some children will be created. 98; pm.max_spare_servers - the maximum number of children in 'idle' 99; state (waiting to process). If the number 100; of 'idle' processes is greater than this 101; number then some children will be killed. 102; pm.max_spawn_rate - the maximum number of rate to spawn child 103; processes at once. 104; ondemand - no children are created at startup. Children will be forked when 105; new requests will connect. The following parameter are used: 106; pm.max_children - the maximum number of children that 107; can be alive at the same time. 108; pm.process_idle_timeout - The number of seconds after which 109; an idle process will be killed. 110; Note: This value is mandatory. 111pm = dynamic 112 113; The number of child processes to be created when pm is set to 'static' and the 114; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'. 115; This value sets the limit on the number of simultaneous requests that will be 116; served. Equivalent to the ApacheMaxClients directive with mpm_prefork. 117; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP 118; CGI. The below defaults are based on a server without much resources. Don't 119; forget to tweak pm.* to fit your needs. 120; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand' 121; Note: This value is mandatory. 122pm.max_children = 5 123 124; The number of child processes created on startup. 125; Note: Used only when pm is set to 'dynamic' 126; Default Value: (min_spare_servers + max_spare_servers) / 2 127pm.start_servers = 2 128 129; The desired minimum number of idle server processes. 130; Note: Used only when pm is set to 'dynamic' 131; Note: Mandatory when pm is set to 'dynamic' 132pm.min_spare_servers = 1 133 134; The desired maximum number of idle server processes. 135; Note: Used only when pm is set to 'dynamic' 136; Note: Mandatory when pm is set to 'dynamic' 137pm.max_spare_servers = 3 138 139; The number of rate to spawn child processes at once. 140; Note: Used only when pm is set to 'dynamic' 141; Note: Mandatory when pm is set to 'dynamic' 142; Default Value: 32 143;pm.max_spawn_rate = 32 144 145; The number of seconds after which an idle process will be killed. 146; Note: Used only when pm is set to 'ondemand' 147; Default Value: 10s 148;pm.process_idle_timeout = 10s; 149 150; The number of requests each child process should execute before respawning. 151; This can be useful to work around memory leaks in 3rd party libraries. For 152; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS. 153; Default Value: 0 154;pm.max_requests = 500 155 156; The URI to view the FPM status page. If this value is not set, no URI will be 157; recognized as a status page. It shows the following information: 158; pool - the name of the pool; 159; process manager - static, dynamic or ondemand; 160; start time - the date and time FPM has started; 161; start since - number of seconds since FPM has started; 162; accepted conn - the number of request accepted by the pool; 163; listen queue - the number of request in the queue of pending 164; connections (see backlog in listen(2)); 165; max listen queue - the maximum number of requests in the queue 166; of pending connections since FPM has started; 167; listen queue len - the size of the socket queue of pending connections; 168; idle processes - the number of idle processes; 169; active processes - the number of active processes; 170; total processes - the number of idle + active processes; 171; max active processes - the maximum number of active processes since FPM 172; has started; 173; max children reached - number of times, the process limit has been reached, 174; when pm tries to start more children (works only for 175; pm 'dynamic' and 'ondemand'); 176; Value are updated in real time. 177; Example output: 178; pool: www 179; process manager: static 180; start time: 01/Jul/2011:17:53:49 +0200 181; start since: 62636 182; accepted conn: 190460 183; listen queue: 0 184; max listen queue: 1 185; listen queue len: 42 186; idle processes: 4 187; active processes: 11 188; total processes: 15 189; max active processes: 12 190; max children reached: 0 191; 192; By default the status page output is formatted as text/plain. Passing either 193; 'html', 'xml' or 'json' in the query string will return the corresponding 194; output syntax. Example: 195; http://www.foo.bar/status 196; http://www.foo.bar/status?json 197; http://www.foo.bar/status?html 198; http://www.foo.bar/status?xml 199; 200; By default the status page only outputs short status. Passing 'full' in the 201; query string will also return status for each pool process. 202; Example: 203; http://www.foo.bar/status?full 204; http://www.foo.bar/status?json&full 205; http://www.foo.bar/status?html&full 206; http://www.foo.bar/status?xml&full 207; The Full status returns for each process: 208; pid - the PID of the process; 209; state - the state of the process (Idle, Running, ...); 210; start time - the date and time the process has started; 211; start since - the number of seconds since the process has started; 212; requests - the number of requests the process has served; 213; request duration - the duration in µs of the requests; 214; request method - the request method (GET, POST, ...); 215; request URI - the request URI with the query string; 216; content length - the content length of the request (only with POST); 217; user - the user (PHP_AUTH_USER) (or '-' if not set); 218; script - the main script called (or '-' if not set); 219; last request cpu - the %cpu the last request consumed 220; it's always 0 if the process is not in Idle state 221; because CPU calculation is done when the request 222; processing has terminated; 223; last request memory - the max amount of memory the last request consumed 224; it's always 0 if the process is not in Idle state 225; because memory calculation is done when the request 226; processing has terminated; 227; If the process is in Idle state, then informations are related to the 228; last request the process has served. Otherwise informations are related to 229; the current request being served. 230; Example output: 231; ************************ 232; pid: 31330 233; state: Running 234; start time: 01/Jul/2011:17:53:49 +0200 235; start since: 63087 236; requests: 12808 237; request duration: 1250261 238; request method: GET 239; request URI: /test_mem.php?N=10000 240; content length: 0 241; user: - 242; script: /home/fat/web/docs/php/test_mem.php 243; last request cpu: 0.00 244; last request memory: 0 245; 246; Note: There is a real-time FPM status monitoring sample web page available 247; It's available in: @EXPANDED_DATADIR@/fpm/status.html 248; 249; Note: The value must start with a leading slash (/). The value can be 250; anything, but it may not be a good idea to use the .php extension or it 251; may conflict with a real PHP file. 252; Default Value: not set 253;pm.status_path = /status 254 255; The address on which to accept FastCGI status request. This creates a new 256; invisible pool that can handle requests independently. This is useful 257; if the main pool is busy with long running requests because it is still possible 258; to get the status before finishing the long running requests. 259; 260; Valid syntaxes are: 261; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific IPv4 address on 262; a specific port; 263; '[ip:6:addr:ess]:port' - to listen on a TCP socket to a specific IPv6 address on 264; a specific port; 265; 'port' - to listen on a TCP socket to all addresses 266; (IPv6 and IPv4-mapped) on a specific port; 267; '/path/to/unix/socket' - to listen on a unix socket. 268; Default Value: value of the listen option 269;pm.status_listen = 127.0.0.1:9001 270 271; The ping URI to call the monitoring page of FPM. If this value is not set, no 272; URI will be recognized as a ping page. This could be used to test from outside 273; that FPM is alive and responding, or to 274; - create a graph of FPM availability (rrd or such); 275; - remove a server from a group if it is not responding (load balancing); 276; - trigger alerts for the operating team (24/7). 277; Note: The value must start with a leading slash (/). The value can be 278; anything, but it may not be a good idea to use the .php extension or it 279; may conflict with a real PHP file. 280; Default Value: not set 281;ping.path = /ping 282 283; This directive may be used to customize the response of a ping request. The 284; response is formatted as text/plain with a 200 response code. 285; Default Value: pong 286;ping.response = pong 287 288; The access log file 289; Default: not set 290;access.log = log/$pool.access.log 291 292; The access log format. 293; The following syntax is allowed 294; %%: the '%' character 295; %C: %CPU used by the request 296; it can accept the following format: 297; - %{user}C for user CPU only 298; - %{system}C for system CPU only 299; - %{total}C for user + system CPU (default) 300; %d: time taken to serve the request 301; it can accept the following format: 302; - %{seconds}d (default) 303; - %{milliseconds}d 304; - %{milli}d 305; - %{microseconds}d 306; - %{micro}d 307; %e: an environment variable (same as $_ENV or $_SERVER) 308; it must be associated with embraces to specify the name of the env 309; variable. Some examples: 310; - server specifics like: %{REQUEST_METHOD}e or %{SERVER_PROTOCOL}e 311; - HTTP headers like: %{HTTP_HOST}e or %{HTTP_USER_AGENT}e 312; %f: script filename 313; %l: content-length of the request (for POST request only) 314; %m: request method 315; %M: peak of memory allocated by PHP 316; it can accept the following format: 317; - %{bytes}M (default) 318; - %{kilobytes}M 319; - %{kilo}M 320; - %{megabytes}M 321; - %{mega}M 322; %n: pool name 323; %o: output header 324; it must be associated with embraces to specify the name of the header: 325; - %{Content-Type}o 326; - %{X-Powered-By}o 327; - %{Transfert-Encoding}o 328; - .... 329; %p: PID of the child that serviced the request 330; %P: PID of the parent of the child that serviced the request 331; %q: the query string 332; %Q: the '?' character if query string exists 333; %r: the request URI (without the query string, see %q and %Q) 334; %R: remote IP address 335; %s: status (response code) 336; %t: server time the request was received 337; it can accept a strftime(3) format: 338; %d/%b/%Y:%H:%M:%S %z (default) 339; The strftime(3) format must be encapsulated in a %{<strftime_format>}t tag 340; e.g. for a ISO8601 formatted timestring, use: %{%Y-%m-%dT%H:%M:%S%z}t 341; %T: time the log has been written (the request has finished) 342; it can accept a strftime(3) format: 343; %d/%b/%Y:%H:%M:%S %z (default) 344; The strftime(3) format must be encapsulated in a %{<strftime_format>}t tag 345; e.g. for a ISO8601 formatted timestring, use: %{%Y-%m-%dT%H:%M:%S%z}t 346; %u: remote user 347; 348; Default: "%R - %u %t \"%m %r\" %s" 349;access.format = "%R - %u %t \"%m %r%Q%q\" %s %f %{milli}d %{kilo}M %C%%" 350 351; The log file for slow requests 352; Default Value: not set 353; Note: slowlog is mandatory if request_slowlog_timeout is set 354;slowlog = log/$pool.log.slow 355 356; The timeout for serving a single request after which a PHP backtrace will be 357; dumped to the 'slowlog' file. A value of '0s' means 'off'. 358; Available units: s(econds)(default), m(inutes), h(ours), or d(ays) 359; Default Value: 0 360;request_slowlog_timeout = 0 361 362; Depth of slow log stack trace. 363; Default Value: 20 364;request_slowlog_trace_depth = 20 365 366; The timeout for serving a single request after which the worker process will 367; be killed. This option should be used when the 'max_execution_time' ini option 368; does not stop script execution for some reason. A value of '0' means 'off'. 369; Available units: s(econds)(default), m(inutes), h(ours), or d(ays) 370; Default Value: 0 371;request_terminate_timeout = 0 372 373; The timeout set by 'request_terminate_timeout' ini option is not engaged after 374; application calls 'fastcgi_finish_request' or when application has finished and 375; shutdown functions are being called (registered via register_shutdown_function). 376; This option will enable timeout limit to be applied unconditionally 377; even in such cases. 378; Default Value: no 379;request_terminate_timeout_track_finished = no 380 381; Set open file descriptor rlimit. 382; Default Value: system defined value 383;rlimit_files = 1024 384 385; Set max core size rlimit. 386; Possible Values: 'unlimited' or an integer greater or equal to 0 387; Default Value: system defined value 388;rlimit_core = 0 389 390; Chroot to this directory at the start. This value must be defined as an 391; absolute path. When this value is not set, chroot is not used. 392; Note: you can prefix with '$prefix' to chroot to the pool prefix or one 393; of its subdirectories. If the pool prefix is not set, the global prefix 394; will be used instead. 395; Note: chrooting is a great security feature and should be used whenever 396; possible. However, all PHP paths will be relative to the chroot 397; (error_log, sessions.save_path, ...). 398; Default Value: not set 399;chroot = 400 401; Chdir to this directory at the start. 402; Note: relative path can be used. 403; Default Value: current directory or / when chroot 404;chdir = /var/www 405 406; Redirect worker stdout and stderr into main error log. If not set, stdout and 407; stderr will be redirected to /dev/null according to FastCGI specs. 408; Note: on highloaded environment, this can cause some delay in the page 409; process time (several ms). 410; Default Value: no 411;catch_workers_output = yes 412 413; Decorate worker output with prefix and suffix containing information about 414; the child that writes to the log and if stdout or stderr is used as well as 415; log level and time. This options is used only if catch_workers_output is yes. 416; Settings to "no" will output data as written to the stdout or stderr. 417; Default value: yes 418;decorate_workers_output = no 419 420; Clear environment in FPM workers 421; Prevents arbitrary environment variables from reaching FPM worker processes 422; by clearing the environment in workers before env vars specified in this 423; pool configuration are added. 424; Setting to "no" will make all environment variables available to PHP code 425; via getenv(), $_ENV and $_SERVER. 426; Default Value: yes 427;clear_env = no 428 429; Limits the extensions of the main script FPM will allow to parse. This can 430; prevent configuration mistakes on the web server side. You should only limit 431; FPM to .php extensions to prevent malicious users to use other extensions to 432; execute php code. 433; Note: set an empty value to allow all extensions. 434; Default Value: .php 435;security.limit_extensions = .php .php3 .php4 .php5 .php7 436 437; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from 438; the current environment. 439; Default Value: clean env 440;env[HOSTNAME] = $HOSTNAME 441;env[PATH] = /usr/local/bin:/usr/bin:/bin 442;env[TMP] = /tmp 443;env[TMPDIR] = /tmp 444;env[TEMP] = /tmp 445 446; Additional php.ini defines, specific to this pool of workers. These settings 447; overwrite the values previously defined in the php.ini. The directives are the 448; same as the PHP SAPI: 449; php_value/php_flag - you can set classic ini defines which can 450; be overwritten from PHP call 'ini_set'. 451; php_admin_value/php_admin_flag - these directives won't be overwritten by 452; PHP call 'ini_set' 453; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no. 454 455; Defining 'extension' will load the corresponding shared extension from 456; extension_dir. Defining 'disable_functions' or 'disable_classes' will not 457; overwrite previously defined php.ini values, but will append the new value 458; instead. 459 460; Note: path INI options can be relative and will be expanded with the prefix 461; (pool, global or @prefix@) 462 463; Default Value: nothing is defined by default except the values in php.ini and 464; specified at startup with the -d argument 465;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com 466;php_flag[display_errors] = off 467;php_admin_value[error_log] = /var/log/fpm-php.www.log 468;php_admin_flag[log_errors] = on 469;php_admin_value[memory_limit] = 32M 470