Annotation of embedaddon/php/sapi/fpm/php-fpm.conf.in, revision 1.1
1.1 ! misho 1: ;;;;;;;;;;;;;;;;;;;;;
! 2: ; FPM Configuration ;
! 3: ;;;;;;;;;;;;;;;;;;;;;
! 4:
! 5: ; All relative paths in this configuration file are relative to PHP's install
! 6: ; prefix (@prefix@). This prefix can be dynamicaly changed by using the
! 7: ; '-p' argument from the command line.
! 8:
! 9: ; Include one or more files. If glob(3) exists, it is used to include a bunch of
! 10: ; files from a glob(3) pattern. This directive can be used everywhere in the
! 11: ; file.
! 12: ; Relative path can also be used. They will be prefixed by:
! 13: ; - the global prefix if it's been set (-p arguement)
! 14: ; - @prefix@ otherwise
! 15: ;include=etc/fpm.d/*.conf
! 16:
! 17: ;;;;;;;;;;;;;;;;;;
! 18: ; Global Options ;
! 19: ;;;;;;;;;;;;;;;;;;
! 20:
! 21: [global]
! 22: ; Pid file
! 23: ; Note: the default prefix is @EXPANDED_LOCALSTATEDIR@
! 24: ; Default Value: none
! 25: ;pid = run/php-fpm.pid
! 26:
! 27: ; Error log file
! 28: ; If it's set to "syslog", log is sent to syslogd instead of being written
! 29: ; in a local file.
! 30: ; Note: the default prefix is @EXPANDED_LOCALSTATEDIR@
! 31: ; Default Value: log/php-fpm.log
! 32: ;error_log = log/php-fpm.log
! 33:
! 34: ; syslog_facility is used to specify what type of program is logging the
! 35: ; message. This lets syslogd specify that messages from different facilities
! 36: ; will be handled differently.
! 37: ; See syslog(3) for possible values (ex daemon equiv LOG_DAEMON)
! 38: ; Default Value: daemon
! 39: ;syslog.facility = daemon
! 40:
! 41: ; syslog_ident is prepended to every message. If you have multiple FPM
! 42: ; instances running on the same server, you can change the default value
! 43: ; which must suit common needs.
! 44: ; Default Value: php-fpm
! 45: ;syslog.ident = php-fpm
! 46:
! 47: ; Log level
! 48: ; Possible Values: alert, error, warning, notice, debug
! 49: ; Default Value: notice
! 50: ;log_level = notice
! 51:
! 52: ; If this number of child processes exit with SIGSEGV or SIGBUS within the time
! 53: ; interval set by emergency_restart_interval then FPM will restart. A value
! 54: ; of '0' means 'Off'.
! 55: ; Default Value: 0
! 56: ;emergency_restart_threshold = 0
! 57:
! 58: ; Interval of time used by emergency_restart_interval to determine when
! 59: ; a graceful restart will be initiated. This can be useful to work around
! 60: ; accidental corruptions in an accelerator's shared memory.
! 61: ; Available Units: s(econds), m(inutes), h(ours), or d(ays)
! 62: ; Default Unit: seconds
! 63: ; Default Value: 0
! 64: ;emergency_restart_interval = 0
! 65:
! 66: ; Time limit for child processes to wait for a reaction on signals from master.
! 67: ; Available units: s(econds), m(inutes), h(ours), or d(ays)
! 68: ; Default Unit: seconds
! 69: ; Default Value: 0
! 70: ;process_control_timeout = 0
! 71:
! 72: ; The maximum number of processes FPM will fork. This has been design to control
! 73: ; the global number of processes when using dynamic PM within a lot of pools.
! 74: ; Use it with caution.
! 75: ; Note: A value of 0 indicates no limit
! 76: ; Default Value: 0
! 77: ; process.max = 128
! 78:
! 79: ; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
! 80: ; Default Value: yes
! 81: ;daemonize = yes
! 82:
! 83: ; Set open file descriptor rlimit for the master process.
! 84: ; Default Value: system defined value
! 85: ;rlimit_files = 1024
! 86:
! 87: ; Set max core size rlimit for the master process.
! 88: ; Possible Values: 'unlimited' or an integer greater or equal to 0
! 89: ; Default Value: system defined value
! 90: ;rlimit_core = 0
! 91:
! 92: ; Specify the event mechanism FPM will use. The following is available:
! 93: ; - select (any POSIX os)
! 94: ; - poll (any POSIX os)
! 95: ; - epoll (linux >= 2.5.44)
! 96: ; - kqueue (FreeBSD >= 4.1, OpenBSD >= 2.9, NetBSD >= 2.0)
! 97: ; - /dev/poll (Solaris >= 7)
! 98: ; - port (Solaris >= 10)
! 99: ; Default Value: not set (auto detection)
! 100: ; events.mechanism = epoll
! 101:
! 102: ;;;;;;;;;;;;;;;;;;;;
! 103: ; Pool Definitions ;
! 104: ;;;;;;;;;;;;;;;;;;;;
! 105:
! 106: ; Multiple pools of child processes may be started with different listening
! 107: ; ports and different management options. The name of the pool will be
! 108: ; used in logs and stats. There is no limitation on the number of pools which
! 109: ; FPM can handle. Your system will tell you anyway :)
! 110:
! 111: ; Start a new pool named 'www'.
! 112: ; the variable $pool can we used in any directive and will be replaced by the
! 113: ; pool name ('www' here)
! 114: [www]
! 115:
! 116: ; Per pool prefix
! 117: ; It only applies on the following directives:
! 118: ; - 'slowlog'
! 119: ; - 'listen' (unixsocket)
! 120: ; - 'chroot'
! 121: ; - 'chdir'
! 122: ; - 'php_values'
! 123: ; - 'php_admin_values'
! 124: ; When not set, the global prefix (or @php_fpm_prefix@) applies instead.
! 125: ; Note: This directive can also be relative to the global prefix.
! 126: ; Default Value: none
! 127: ;prefix = /path/to/pools/$pool
! 128:
! 129: ; Unix user/group of processes
! 130: ; Note: The user is mandatory. If the group is not set, the default user's group
! 131: ; will be used.
! 132: user = @php_fpm_user@
! 133: group = @php_fpm_group@
! 134:
! 135: ; The address on which to accept FastCGI requests.
! 136: ; Valid syntaxes are:
! 137: ; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific address on
! 138: ; a specific port;
! 139: ; 'port' - to listen on a TCP socket to all addresses on a
! 140: ; specific port;
! 141: ; '/path/to/unix/socket' - to listen on a unix socket.
! 142: ; Note: This value is mandatory.
! 143: listen = 127.0.0.1:9000
! 144:
! 145: ; Set listen(2) backlog. A value of '-1' means unlimited.
! 146: ; Default Value: 128 (-1 on FreeBSD and OpenBSD)
! 147: ;listen.backlog = -1
! 148:
! 149: ; Set permissions for unix socket, if one is used. In Linux, read/write
! 150: ; permissions must be set in order to allow connections from a web server. Many
! 151: ; BSD-derived systems allow connections regardless of permissions.
! 152: ; Default Values: user and group are set as the running user
! 153: ; mode is set to 0666
! 154: ;listen.owner = @php_fpm_user@
! 155: ;listen.group = @php_fpm_group@
! 156: ;listen.mode = 0666
! 157:
! 158: ; List of ipv4 addresses of FastCGI clients which are allowed to connect.
! 159: ; Equivalent to the FCGI_WEB_SERVER_ADDRS environment variable in the original
! 160: ; PHP FCGI (5.2.2+). Makes sense only with a tcp listening socket. Each address
! 161: ; must be separated by a comma. If this value is left blank, connections will be
! 162: ; accepted from any ip address.
! 163: ; Default Value: any
! 164: ;listen.allowed_clients = 127.0.0.1
! 165:
! 166: ; Choose how the process manager will control the number of child processes.
! 167: ; Possible Values:
! 168: ; static - a fixed number (pm.max_children) of child processes;
! 169: ; dynamic - the number of child processes are set dynamically based on the
! 170: ; following directives. With this process management, there will be
! 171: ; always at least 1 children.
! 172: ; pm.max_children - the maximum number of children that can
! 173: ; be alive at the same time.
! 174: ; pm.start_servers - the number of children created on startup.
! 175: ; pm.min_spare_servers - the minimum number of children in 'idle'
! 176: ; state (waiting to process). If the number
! 177: ; of 'idle' processes is less than this
! 178: ; number then some children will be created.
! 179: ; pm.max_spare_servers - the maximum number of children in 'idle'
! 180: ; state (waiting to process). If the number
! 181: ; of 'idle' processes is greater than this
! 182: ; number then some children will be killed.
! 183: ; ondemand - no children are created at startup. Children will be forked when
! 184: ; new requests will connect. The following parameter are used:
! 185: ; pm.max_children - the maximum number of children that
! 186: ; can be alive at the same time.
! 187: ; pm.process_idle_timeout - The number of seconds after which
! 188: ; an idle process will be killed.
! 189: ; Note: This value is mandatory.
! 190: pm = dynamic
! 191:
! 192: ; The number of child processes to be created when pm is set to 'static' and the
! 193: ; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.
! 194: ; This value sets the limit on the number of simultaneous requests that will be
! 195: ; served. Equivalent to the ApacheMaxClients directive with mpm_prefork.
! 196: ; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP
! 197: ; CGI. The below defaults are based on a server without much resources. Don't
! 198: ; forget to tweak pm.* to fit your needs.
! 199: ; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
! 200: ; Note: This value is mandatory.
! 201: pm.max_children = 5
! 202:
! 203: ; The number of child processes created on startup.
! 204: ; Note: Used only when pm is set to 'dynamic'
! 205: ; Default Value: min_spare_servers + (max_spare_servers - min_spare_servers) / 2
! 206: pm.start_servers = 2
! 207:
! 208: ; The desired minimum number of idle server processes.
! 209: ; Note: Used only when pm is set to 'dynamic'
! 210: ; Note: Mandatory when pm is set to 'dynamic'
! 211: pm.min_spare_servers = 1
! 212:
! 213: ; The desired maximum number of idle server processes.
! 214: ; Note: Used only when pm is set to 'dynamic'
! 215: ; Note: Mandatory when pm is set to 'dynamic'
! 216: pm.max_spare_servers = 3
! 217:
! 218: ; The number of seconds after which an idle process will be killed.
! 219: ; Note: Used only when pm is set to 'ondemand'
! 220: ; Default Value: 10s
! 221: ;pm.process_idle_timeout = 10s;
! 222:
! 223: ; The number of requests each child process should execute before respawning.
! 224: ; This can be useful to work around memory leaks in 3rd party libraries. For
! 225: ; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.
! 226: ; Default Value: 0
! 227: ;pm.max_requests = 500
! 228:
! 229: ; The URI to view the FPM status page. If this value is not set, no URI will be
! 230: ; recognized as a status page. It shows the following informations:
! 231: ; pool - the name of the pool;
! 232: ; process manager - static, dynamic or ondemand;
! 233: ; start time - the date and time FPM has started;
! 234: ; start since - number of seconds since FPM has started;
! 235: ; accepted conn - the number of request accepted by the pool;
! 236: ; listen queue - the number of request in the queue of pending
! 237: ; connections (see backlog in listen(2));
! 238: ; max listen queue - the maximum number of requests in the queue
! 239: ; of pending connections since FPM has started;
! 240: ; listen queue len - the size of the socket queue of pending connections;
! 241: ; idle processes - the number of idle processes;
! 242: ; active processes - the number of active processes;
! 243: ; total processes - the number of idle + active processes;
! 244: ; max active processes - the maximum number of active processes since FPM
! 245: ; has started;
! 246: ; max children reached - number of times, the process limit has been reached,
! 247: ; when pm tries to start more children (works only for
! 248: ; pm 'dynamic' and 'ondemand');
! 249: ; Value are updated in real time.
! 250: ; Example output:
! 251: ; pool: www
! 252: ; process manager: static
! 253: ; start time: 01/Jul/2011:17:53:49 +0200
! 254: ; start since: 62636
! 255: ; accepted conn: 190460
! 256: ; listen queue: 0
! 257: ; max listen queue: 1
! 258: ; listen queue len: 42
! 259: ; idle processes: 4
! 260: ; active processes: 11
! 261: ; total processes: 15
! 262: ; max active processes: 12
! 263: ; max children reached: 0
! 264: ;
! 265: ; By default the status page output is formatted as text/plain. Passing either
! 266: ; 'html', 'xml' or 'json' in the query string will return the corresponding
! 267: ; output syntax. Example:
! 268: ; http://www.foo.bar/status
! 269: ; http://www.foo.bar/status?json
! 270: ; http://www.foo.bar/status?html
! 271: ; http://www.foo.bar/status?xml
! 272: ;
! 273: ; By default the status page only outputs short status. Passing 'full' in the
! 274: ; query string will also return status for each pool process.
! 275: ; Example:
! 276: ; http://www.foo.bar/status?full
! 277: ; http://www.foo.bar/status?json&full
! 278: ; http://www.foo.bar/status?html&full
! 279: ; http://www.foo.bar/status?xml&full
! 280: ; The Full status returns for each process:
! 281: ; pid - the PID of the process;
! 282: ; state - the state of the process (Idle, Running, ...);
! 283: ; start time - the date and time the process has started;
! 284: ; start since - the number of seconds since the process has started;
! 285: ; requests - the number of requests the process has served;
! 286: ; request duration - the duration in µs of the requests;
! 287: ; request method - the request method (GET, POST, ...);
! 288: ; request URI - the request URI with the query string;
! 289: ; content length - the content length of the request (only with POST);
! 290: ; user - the user (PHP_AUTH_USER) (or '-' if not set);
! 291: ; script - the main script called (or '-' if not set);
! 292: ; last request cpu - the %cpu the last request consumed
! 293: ; it's always 0 if the process is not in Idle state
! 294: ; because CPU calculation is done when the request
! 295: ; processing has terminated;
! 296: ; last request memory - the max amount of memory the last request consumed
! 297: ; it's always 0 if the process is not in Idle state
! 298: ; because memory calculation is done when the request
! 299: ; processing has terminated;
! 300: ; If the process is in Idle state, then informations are related to the
! 301: ; last request the process has served. Otherwise informations are related to
! 302: ; the current request being served.
! 303: ; Example output:
! 304: ; ************************
! 305: ; pid: 31330
! 306: ; state: Running
! 307: ; start time: 01/Jul/2011:17:53:49 +0200
! 308: ; start since: 63087
! 309: ; requests: 12808
! 310: ; request duration: 1250261
! 311: ; request method: GET
! 312: ; request URI: /test_mem.php?N=10000
! 313: ; content length: 0
! 314: ; user: -
! 315: ; script: /home/fat/web/docs/php/test_mem.php
! 316: ; last request cpu: 0.00
! 317: ; last request memory: 0
! 318: ;
! 319: ; Note: There is a real-time FPM status monitoring sample web page available
! 320: ; It's available in: @EXPANDED_DATADIR@/php/fpm/status.html
! 321: ;
! 322: ; Note: The value must start with a leading slash (/). The value can be
! 323: ; anything, but it may not be a good idea to use the .php extension or it
! 324: ; may conflict with a real PHP file.
! 325: ; Default Value: not set
! 326: ;pm.status_path = /status
! 327:
! 328: ; The ping URI to call the monitoring page of FPM. If this value is not set, no
! 329: ; URI will be recognized as a ping page. This could be used to test from outside
! 330: ; that FPM is alive and responding, or to
! 331: ; - create a graph of FPM availability (rrd or such);
! 332: ; - remove a server from a group if it is not responding (load balancing);
! 333: ; - trigger alerts for the operating team (24/7).
! 334: ; Note: The value must start with a leading slash (/). The value can be
! 335: ; anything, but it may not be a good idea to use the .php extension or it
! 336: ; may conflict with a real PHP file.
! 337: ; Default Value: not set
! 338: ;ping.path = /ping
! 339:
! 340: ; This directive may be used to customize the response of a ping request. The
! 341: ; response is formatted as text/plain with a 200 response code.
! 342: ; Default Value: pong
! 343: ;ping.response = pong
! 344:
! 345: ; The access log file
! 346: ; Default: not set
! 347: ;access.log = log/$pool.access.log
! 348:
! 349: ; The access log format.
! 350: ; The following syntax is allowed
! 351: ; %%: the '%' character
! 352: ; %C: %CPU used by the request
! 353: ; it can accept the following format:
! 354: ; - %{user}C for user CPU only
! 355: ; - %{system}C for system CPU only
! 356: ; - %{total}C for user + system CPU (default)
! 357: ; %d: time taken to serve the request
! 358: ; it can accept the following format:
! 359: ; - %{seconds}d (default)
! 360: ; - %{miliseconds}d
! 361: ; - %{mili}d
! 362: ; - %{microseconds}d
! 363: ; - %{micro}d
! 364: ; %e: an environment variable (same as $_ENV or $_SERVER)
! 365: ; it must be associated with embraces to specify the name of the env
! 366: ; variable. Some exemples:
! 367: ; - server specifics like: %{REQUEST_METHOD}e or %{SERVER_PROTOCOL}e
! 368: ; - HTTP headers like: %{HTTP_HOST}e or %{HTTP_USER_AGENT}e
! 369: ; %f: script filename
! 370: ; %l: content-length of the request (for POST request only)
! 371: ; %m: request method
! 372: ; %M: peak of memory allocated by PHP
! 373: ; it can accept the following format:
! 374: ; - %{bytes}M (default)
! 375: ; - %{kilobytes}M
! 376: ; - %{kilo}M
! 377: ; - %{megabytes}M
! 378: ; - %{mega}M
! 379: ; %n: pool name
! 380: ; %o: ouput header
! 381: ; it must be associated with embraces to specify the name of the header:
! 382: ; - %{Content-Type}o
! 383: ; - %{X-Powered-By}o
! 384: ; - %{Transfert-Encoding}o
! 385: ; - ....
! 386: ; %p: PID of the child that serviced the request
! 387: ; %P: PID of the parent of the child that serviced the request
! 388: ; %q: the query string
! 389: ; %Q: the '?' character if query string exists
! 390: ; %r: the request URI (without the query string, see %q and %Q)
! 391: ; %R: remote IP address
! 392: ; %s: status (response code)
! 393: ; %t: server time the request was received
! 394: ; it can accept a strftime(3) format:
! 395: ; %d/%b/%Y:%H:%M:%S %z (default)
! 396: ; %T: time the log has been written (the request has finished)
! 397: ; it can accept a strftime(3) format:
! 398: ; %d/%b/%Y:%H:%M:%S %z (default)
! 399: ; %u: remote user
! 400: ;
! 401: ; Default: "%R - %u %t \"%m %r\" %s"
! 402: ;access.format = %R - %u %t "%m %r%Q%q" %s %f %{mili}d %{kilo}M %C%%
! 403:
! 404: ; The log file for slow requests
! 405: ; Default Value: not set
! 406: ; Note: slowlog is mandatory if request_slowlog_timeout is set
! 407: ;slowlog = log/$pool.log.slow
! 408:
! 409: ; The timeout for serving a single request after which a PHP backtrace will be
! 410: ; dumped to the 'slowlog' file. A value of '0s' means 'off'.
! 411: ; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
! 412: ; Default Value: 0
! 413: ;request_slowlog_timeout = 0
! 414:
! 415: ; The timeout for serving a single request after which the worker process will
! 416: ; be killed. This option should be used when the 'max_execution_time' ini option
! 417: ; does not stop script execution for some reason. A value of '0' means 'off'.
! 418: ; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
! 419: ; Default Value: 0
! 420: ;request_terminate_timeout = 0
! 421:
! 422: ; Set open file descriptor rlimit.
! 423: ; Default Value: system defined value
! 424: ;rlimit_files = 1024
! 425:
! 426: ; Set max core size rlimit.
! 427: ; Possible Values: 'unlimited' or an integer greater or equal to 0
! 428: ; Default Value: system defined value
! 429: ;rlimit_core = 0
! 430:
! 431: ; Chroot to this directory at the start. This value must be defined as an
! 432: ; absolute path. When this value is not set, chroot is not used.
! 433: ; Note: you can prefix with '$prefix' to chroot to the pool prefix or one
! 434: ; of its subdirectories. If the pool prefix is not set, the global prefix
! 435: ; will be used instead.
! 436: ; Note: chrooting is a great security feature and should be used whenever
! 437: ; possible. However, all PHP paths will be relative to the chroot
! 438: ; (error_log, sessions.save_path, ...).
! 439: ; Default Value: not set
! 440: ;chroot =
! 441:
! 442: ; Chdir to this directory at the start.
! 443: ; Note: relative path can be used.
! 444: ; Default Value: current directory or / when chroot
! 445: ;chdir = /var/www
! 446:
! 447: ; Redirect worker stdout and stderr into main error log. If not set, stdout and
! 448: ; stderr will be redirected to /dev/null according to FastCGI specs.
! 449: ; Note: on highloaded environement, this can cause some delay in the page
! 450: ; process time (several ms).
! 451: ; Default Value: no
! 452: ;catch_workers_output = yes
! 453:
! 454: ; Limits the extensions of the main script FPM will allow to parse. This can
! 455: ; prevent configuration mistakes on the web server side. You should only limit
! 456: ; FPM to .php extensions to prevent malicious users to use other extensions to
! 457: ; exectute php code.
! 458: ; Note: set an empty value to allow all extensions.
! 459: ; Default Value: .php
! 460: ;security.limit_extensions = .php .php3 .php4 .php5
! 461:
! 462: ; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from
! 463: ; the current environment.
! 464: ; Default Value: clean env
! 465: ;env[HOSTNAME] = $HOSTNAME
! 466: ;env[PATH] = /usr/local/bin:/usr/bin:/bin
! 467: ;env[TMP] = /tmp
! 468: ;env[TMPDIR] = /tmp
! 469: ;env[TEMP] = /tmp
! 470:
! 471: ; Additional php.ini defines, specific to this pool of workers. These settings
! 472: ; overwrite the values previously defined in the php.ini. The directives are the
! 473: ; same as the PHP SAPI:
! 474: ; php_value/php_flag - you can set classic ini defines which can
! 475: ; be overwritten from PHP call 'ini_set'.
! 476: ; php_admin_value/php_admin_flag - these directives won't be overwritten by
! 477: ; PHP call 'ini_set'
! 478: ; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no.
! 479:
! 480: ; Defining 'extension' will load the corresponding shared extension from
! 481: ; extension_dir. Defining 'disable_functions' or 'disable_classes' will not
! 482: ; overwrite previously defined php.ini values, but will append the new value
! 483: ; instead.
! 484:
! 485: ; Note: path INI options can be relative and will be expanded with the prefix
! 486: ; (pool, global or @prefix@)
! 487:
! 488: ; Default Value: nothing is defined by default except the values in php.ini and
! 489: ; specified at startup with the -d argument
! 490: ;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com
! 491: ;php_flag[display_errors] = off
! 492: ;php_admin_value[error_log] = /var/log/fpm-php.www.log
! 493: ;php_admin_flag[log_errors] = on
! 494: ;php_admin_value[memory_limit] = 32M
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