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 Linux, 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; Set the associated the route table (FIB). FreeBSD only 72; Default Value: -1 73;listen.setfib = 1 74 75; Specify the nice(2) priority to apply to the pool processes (only if set) 76; The value can vary from -19 (highest priority) to 20 (lower priority) 77; Note: - It will only work if the FPM master process is launched as root 78; - The pool processes will inherit the master process priority 79; unless it specified otherwise 80; Default Value: no set 81; process.priority = -19 82 83; Set the process dumpable flag (PR_SET_DUMPABLE prctl for Linux or 84; PROC_TRACE_CTL procctl for FreeBSD) even if the process user 85; or group is different than the master process user. It allows to create process 86; core dump and ptrace the process for the pool user. 87; Default Value: no 88; process.dumpable = yes 89 90; Choose how the process manager will control the number of child processes. 91; Possible Values: 92; static - a fixed number (pm.max_children) of child processes; 93; dynamic - the number of child processes are set dynamically based on the 94; following directives. With this process management, there will be 95; always at least 1 children. 96; pm.max_children - the maximum number of children that can 97; be alive at the same time. 98; pm.start_servers - the number of children created on startup. 99; pm.min_spare_servers - the minimum number of children in 'idle' 100; state (waiting to process). If the number 101; of 'idle' processes is less than this 102; number then some children will be created. 103; pm.max_spare_servers - the maximum number of children in 'idle' 104; state (waiting to process). If the number 105; of 'idle' processes is greater than this 106; number then some children will be killed. 107; pm.max_spawn_rate - the maximum number of rate to spawn child 108; processes at once. 109; ondemand - no children are created at startup. Children will be forked when 110; new requests will connect. The following parameter are used: 111; pm.max_children - the maximum number of children that 112; can be alive at the same time. 113; pm.process_idle_timeout - The number of seconds after which 114; an idle process will be killed. 115; Note: This value is mandatory. 116pm = dynamic 117 118; The number of child processes to be created when pm is set to 'static' and the 119; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'. 120; This value sets the limit on the number of simultaneous requests that will be 121; served. Equivalent to the ApacheMaxClients directive with mpm_prefork. 122; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP 123; CGI. The below defaults are based on a server without much resources. Don't 124; forget to tweak pm.* to fit your needs. 125; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand' 126; Note: This value is mandatory. 127pm.max_children = 5 128 129; The number of child processes created on startup. 130; Note: Used only when pm is set to 'dynamic' 131; Default Value: (min_spare_servers + max_spare_servers) / 2 132pm.start_servers = 2 133 134; The desired minimum 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.min_spare_servers = 1 138 139; The desired maximum number of idle server processes. 140; Note: Used only when pm is set to 'dynamic' 141; Note: Mandatory when pm is set to 'dynamic' 142pm.max_spare_servers = 3 143 144; The number of rate to spawn child processes at once. 145; Note: Used only when pm is set to 'dynamic' 146; Note: Mandatory when pm is set to 'dynamic' 147; Default Value: 32 148;pm.max_spawn_rate = 32 149 150; The number of seconds after which an idle process will be killed. 151; Note: Used only when pm is set to 'ondemand' 152; Default Value: 10s 153;pm.process_idle_timeout = 10s; 154 155; The number of requests each child process should execute before respawning. 156; This can be useful to work around memory leaks in 3rd party libraries. For 157; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS. 158; Default Value: 0 159;pm.max_requests = 500 160 161; The URI to view the FPM status page. If this value is not set, no URI will be 162; recognized as a status page. It shows the following information: 163; pool - the name of the pool; 164; process manager - static, dynamic or ondemand; 165; start time - the date and time FPM has started; 166; start since - number of seconds since FPM has started; 167; accepted conn - the number of request accepted by the pool; 168; listen queue - the number of request in the queue of pending 169; connections (see backlog in listen(2)); 170; max listen queue - the maximum number of requests in the queue 171; of pending connections since FPM has started; 172; listen queue len - the size of the socket queue of pending connections; 173; idle processes - the number of idle processes; 174; active processes - the number of active processes; 175; total processes - the number of idle + active processes; 176; max active processes - the maximum number of active processes since FPM 177; has started; 178; max children reached - number of times, the process limit has been reached, 179; when pm tries to start more children (works only for 180; pm 'dynamic' and 'ondemand'); 181; Value are updated in real time. 182; Example output: 183; pool: www 184; process manager: static 185; start time: 01/Jul/2011:17:53:49 +0200 186; start since: 62636 187; accepted conn: 190460 188; listen queue: 0 189; max listen queue: 1 190; listen queue len: 42 191; idle processes: 4 192; active processes: 11 193; total processes: 15 194; max active processes: 12 195; max children reached: 0 196; 197; By default the status page output is formatted as text/plain. Passing either 198; 'html', 'xml' or 'json' in the query string will return the corresponding 199; output syntax. Example: 200; http://www.foo.bar/status 201; http://www.foo.bar/status?json 202; http://www.foo.bar/status?html 203; http://www.foo.bar/status?xml 204; 205; By default the status page only outputs short status. Passing 'full' in the 206; query string will also return status for each pool process. 207; Example: 208; http://www.foo.bar/status?full 209; http://www.foo.bar/status?json&full 210; http://www.foo.bar/status?html&full 211; http://www.foo.bar/status?xml&full 212; The Full status returns for each process: 213; pid - the PID of the process; 214; state - the state of the process (Idle, Running, ...); 215; start time - the date and time the process has started; 216; start since - the number of seconds since the process has started; 217; requests - the number of requests the process has served; 218; request duration - the duration in µs of the requests; 219; request method - the request method (GET, POST, ...); 220; request URI - the request URI with the query string; 221; content length - the content length of the request (only with POST); 222; user - the user (PHP_AUTH_USER) (or '-' if not set); 223; script - the main script called (or '-' if not set); 224; last request cpu - the %cpu the last request consumed 225; it's always 0 if the process is not in Idle state 226; because CPU calculation is done when the request 227; processing has terminated; 228; last request memory - the max amount of memory the last request consumed 229; it's always 0 if the process is not in Idle state 230; because memory calculation is done when the request 231; processing has terminated; 232; If the process is in Idle state, then information is related to the 233; last request the process has served. Otherwise information is related to 234; the current request being served. 235; Example output: 236; ************************ 237; pid: 31330 238; state: Running 239; start time: 01/Jul/2011:17:53:49 +0200 240; start since: 63087 241; requests: 12808 242; request duration: 1250261 243; request method: GET 244; request URI: /test_mem.php?N=10000 245; content length: 0 246; user: - 247; script: /home/fat/web/docs/php/test_mem.php 248; last request cpu: 0.00 249; last request memory: 0 250; 251; Note: There is a real-time FPM status monitoring sample web page available 252; It's available in: @EXPANDED_DATADIR@/fpm/status.html 253; 254; Note: The value must start with a leading slash (/). The value can be 255; anything, but it may not be a good idea to use the .php extension or it 256; may conflict with a real PHP file. 257; Default Value: not set 258;pm.status_path = /status 259 260; The address on which to accept FastCGI status request. This creates a new 261; invisible pool that can handle requests independently. This is useful 262; if the main pool is busy with long running requests because it is still possible 263; to get the status before finishing the long running requests. 264; 265; Valid syntaxes are: 266; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific IPv4 address on 267; a specific port; 268; '[ip:6:addr:ess]:port' - to listen on a TCP socket to a specific IPv6 address on 269; a specific port; 270; 'port' - to listen on a TCP socket to all addresses 271; (IPv6 and IPv4-mapped) on a specific port; 272; '/path/to/unix/socket' - to listen on a unix socket. 273; Default Value: value of the listen option 274;pm.status_listen = 127.0.0.1:9001 275 276; The ping URI to call the monitoring page of FPM. If this value is not set, no 277; URI will be recognized as a ping page. This could be used to test from outside 278; that FPM is alive and responding, or to 279; - create a graph of FPM availability (rrd or such); 280; - remove a server from a group if it is not responding (load balancing); 281; - trigger alerts for the operating team (24/7). 282; Note: The value must start with a leading slash (/). The value can be 283; anything, but it may not be a good idea to use the .php extension or it 284; may conflict with a real PHP file. 285; Default Value: not set 286;ping.path = /ping 287 288; This directive may be used to customize the response of a ping request. The 289; response is formatted as text/plain with a 200 response code. 290; Default Value: pong 291;ping.response = pong 292 293; The access log file 294; Default: not set 295;access.log = log/$pool.access.log 296 297; The access log format. 298; The following syntax is allowed 299; %%: the '%' character 300; %C: %CPU used by the request 301; it can accept the following format: 302; - %{user}C for user CPU only 303; - %{system}C for system CPU only 304; - %{total}C for user + system CPU (default) 305; %d: time taken to serve the request 306; it can accept the following format: 307; - %{seconds}d (default) 308; - %{milliseconds}d 309; - %{milli}d 310; - %{microseconds}d 311; - %{micro}d 312; %e: an environment variable (same as $_ENV or $_SERVER) 313; it must be associated with embraces to specify the name of the env 314; variable. Some examples: 315; - server specifics like: %{REQUEST_METHOD}e or %{SERVER_PROTOCOL}e 316; - HTTP headers like: %{HTTP_HOST}e or %{HTTP_USER_AGENT}e 317; %f: script filename 318; %l: content-length of the request (for POST request only) 319; %m: request method 320; %M: peak of memory allocated by PHP 321; it can accept the following format: 322; - %{bytes}M (default) 323; - %{kilobytes}M 324; - %{kilo}M 325; - %{megabytes}M 326; - %{mega}M 327; %n: pool name 328; %o: output header 329; it must be associated with embraces to specify the name of the header: 330; - %{Content-Type}o 331; - %{X-Powered-By}o 332; - %{Transfert-Encoding}o 333; - .... 334; %p: PID of the child that serviced the request 335; %P: PID of the parent of the child that serviced the request 336; %q: the query string 337; %Q: the '?' character if query string exists 338; %r: the request URI (without the query string, see %q and %Q) 339; %R: remote IP address 340; %s: status (response code) 341; %t: server time the request was received 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; %T: time the log has been written (the request has finished) 347; it can accept a strftime(3) format: 348; %d/%b/%Y:%H:%M:%S %z (default) 349; The strftime(3) format must be encapsulated in a %{<strftime_format>}t tag 350; e.g. for a ISO8601 formatted timestring, use: %{%Y-%m-%dT%H:%M:%S%z}t 351; %u: basic auth user if specified in Authorization header 352; 353; Default: "%R - %u %t \"%m %r\" %s" 354;access.format = "%R - %u %t \"%m %r%Q%q\" %s %f %{milli}d %{kilo}M %C%%" 355 356; A list of request_uri values which should be filtered from the access log. 357; 358; As a security precaution, this setting will be ignored if: 359; - the request method is not GET or HEAD; or 360; - there is a request body; or 361; - there are query parameters; or 362; - the response code is outwith the successful range of 200 to 299 363; 364; Note: The paths are matched against the output of the access.format tag "%r". 365; On common configurations, this may look more like SCRIPT_NAME than the 366; expected pre-rewrite URI. 367; 368; Default Value: not set 369;access.suppress_path[] = /ping 370;access.suppress_path[] = /health_check.php 371 372; The log file for slow requests 373; Default Value: not set 374; Note: slowlog is mandatory if request_slowlog_timeout is set 375;slowlog = log/$pool.log.slow 376 377; The timeout for serving a single request after which a PHP backtrace will be 378; dumped to the 'slowlog' file. A value of '0s' means 'off'. 379; Available units: s(econds)(default), m(inutes), h(ours), or d(ays) 380; Default Value: 0 381;request_slowlog_timeout = 0 382 383; Depth of slow log stack trace. 384; Default Value: 20 385;request_slowlog_trace_depth = 20 386 387; The timeout for serving a single request after which the worker process will 388; be killed. This option should be used when the 'max_execution_time' ini option 389; does not stop script execution for some reason. A value of '0' means 'off'. 390; Available units: s(econds)(default), m(inutes), h(ours), or d(ays) 391; Default Value: 0 392;request_terminate_timeout = 0 393 394; The timeout set by 'request_terminate_timeout' ini option is not engaged after 395; application calls 'fastcgi_finish_request' or when application has finished and 396; shutdown functions are being called (registered via register_shutdown_function). 397; This option will enable timeout limit to be applied unconditionally 398; even in such cases. 399; Default Value: no 400;request_terminate_timeout_track_finished = no 401 402; Set open file descriptor rlimit. 403; Default Value: system defined value 404;rlimit_files = 1024 405 406; Set max core size rlimit. 407; Possible Values: 'unlimited' or an integer greater or equal to 0 408; Default Value: system defined value 409;rlimit_core = 0 410 411; Chroot to this directory at the start. This value must be defined as an 412; absolute path. When this value is not set, chroot is not used. 413; Note: you can prefix with '$prefix' to chroot to the pool prefix or one 414; of its subdirectories. If the pool prefix is not set, the global prefix 415; will be used instead. 416; Note: chrooting is a great security feature and should be used whenever 417; possible. However, all PHP paths will be relative to the chroot 418; (error_log, sessions.save_path, ...). 419; Default Value: not set 420;chroot = 421 422; Chdir to this directory at the start. 423; Note: relative path can be used. 424; Default Value: current directory or / when chroot 425;chdir = /var/www 426 427; Redirect worker stdout and stderr into main error log. If not set, stdout and 428; stderr will be redirected to /dev/null according to FastCGI specs. 429; Note: on highloaded environment, this can cause some delay in the page 430; process time (several ms). 431; Default Value: no 432;catch_workers_output = yes 433 434; Decorate worker output with prefix and suffix containing information about 435; the child that writes to the log and if stdout or stderr is used as well as 436; log level and time. This options is used only if catch_workers_output is yes. 437; Settings to "no" will output data as written to the stdout or stderr. 438; Default value: yes 439;decorate_workers_output = no 440 441; Clear environment in FPM workers 442; Prevents arbitrary environment variables from reaching FPM worker processes 443; by clearing the environment in workers before env vars specified in this 444; pool configuration are added. 445; Setting to "no" will make all environment variables available to PHP code 446; via getenv(), $_ENV and $_SERVER. 447; Default Value: yes 448;clear_env = no 449 450; Limits the extensions of the main script FPM will allow to parse. This can 451; prevent configuration mistakes on the web server side. You should only limit 452; FPM to .php extensions to prevent malicious users to use other extensions to 453; execute php code. 454; Note: set an empty value to allow all extensions. 455; Default Value: .php 456;security.limit_extensions = .php .php3 .php4 .php5 .php7 457 458; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from 459; the current environment. 460; Default Value: clean env 461;env[HOSTNAME] = $HOSTNAME 462;env[PATH] = /usr/local/bin:/usr/bin:/bin 463;env[TMP] = /tmp 464;env[TMPDIR] = /tmp 465;env[TEMP] = /tmp 466 467; Additional php.ini defines, specific to this pool of workers. These settings 468; overwrite the values previously defined in the php.ini. The directives are the 469; same as the PHP SAPI: 470; php_value/php_flag - you can set classic ini defines which can 471; be overwritten from PHP call 'ini_set'. 472; php_admin_value/php_admin_flag - these directives won't be overwritten by 473; PHP call 'ini_set' 474; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no. 475 476; Defining 'extension' will load the corresponding shared extension from 477; extension_dir. Defining 'disable_functions' or 'disable_classes' will not 478; overwrite previously defined php.ini values, but will append the new value 479; instead. 480 481; Note: path INI options can be relative and will be expanded with the prefix 482; (pool, global or @prefix@) 483 484; Default Value: nothing is defined by default except the values in php.ini and 485; specified at startup with the -d argument 486;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com 487;php_flag[display_errors] = off 488;php_admin_value[error_log] = /var/log/fpm-php.www.log 489;php_admin_flag[log_errors] = on 490;php_admin_value[memory_limit] = 32M 491