[php] update php-fpm configuration with upstream changes (comments + missing directives)
Remi Collet
remi at fedoraproject.org
Sun Nov 16 16:56:18 UTC 2014
commit 5a0a91817e3721ac297d4d235bc79ea0f477e1c8
Author: Remi Collet <remi at fedoraproject.org>
Date: Sun Nov 16 17:56:09 2014 +0100
update php-fpm configuration with upstream changes (comments + missing directives)
php-fpm-www.conf | 301 +++++++++++++++++++++++++++++++++++++++++++-----------
php-fpm.conf | 5 +
2 files changed, 248 insertions(+), 58 deletions(-)
---
diff --git a/php-fpm-www.conf b/php-fpm-www.conf
index e2f3dc8..727e457 100644
--- a/php-fpm-www.conf
+++ b/php-fpm-www.conf
@@ -1,50 +1,77 @@
; Start a new pool named 'www'.
+; the variable $pool can we used in any directive and will be replaced by the
+; pool name ('www' here)
[www]
+; Per pool prefix
+; It only applies on the following directives:
+; - 'slowlog'
+; - 'listen' (unixsocket)
+; - 'chroot'
+; - 'chdir'
+; - 'php_values'
+; - 'php_admin_values'
+; When not set, the global prefix (or @php_fpm_prefix@) applies instead.
+; Note: This directive can also be relative to the global prefix.
+; Default Value: none
+;prefix = /path/to/pools/$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.
+; RPM: apache Choosed to be able to access some dir as httpd
+user = apache
+; RPM: Keep a group allowed to write in log dir.
+group = apache
+
; 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
+; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific IPv4 address on
+; a specific port;
+; '[ip:6:addr:ess]:port' - to listen on a TCP socket to a specific IPv6 address on
; a specific port;
-; 'port' - to listen on a TCP socket to all addresses on a
+; 'port' - to listen on a TCP socket to all IPv4 addresses 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: -1
-;listen.backlog = -1
-
-; 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
+; Set listen(2) backlog.
+; Default Value: 65535
+;listen.backlog = 65535
; 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.
+; permissions must be set in order to allow connections from a web server.
; Default Values: user and group are set as the running user
; mode is set to 0660
;listen.owner = nobody
;listen.group = nobody
;listen.mode = 0660
-; Unix user/group of processes
-; Note: The user is mandatory. If the group is not set, the default user's group
-; will be used.
-; RPM: apache Choosed to be able to access some dir as httpd
-user = apache
-; RPM: Keep a group allowed to write in log dir.
-group = apache
+; 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
+
+; Specify the nice(2) priority to apply to the pool processes (only if set)
+; The value can vary from -19 (highest priority) to 20 (lower priority)
+; Note: - It will only work if the FPM master process is launched as root
+; - The pool processes will inherit the master process priority
+; unless it specified otherwise
+; Default Value: no set
+; process.priority = -19
; 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:
+; 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.
@@ -56,16 +83,23 @@ group = apache
; 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 to be created when pm is set to 'dynamic'.
+; 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.
-; Note: Used when pm is set to either 'static' or 'dynamic'
+; 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 = 50
@@ -84,6 +118,11 @@ pm.min_spare_servers = 5
; Note: Mandatory when pm is set to 'dynamic'
pm.max_spare_servers = 35
+; 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.
@@ -91,33 +130,102 @@ pm.max_spare_servers = 35
;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. By default, the status page shows the following
-; information:
-; accepted conn - the number of request accepted by the pool;
-; pool - the name of the pool;
-; process manager - static or dynamic;
-; idle processes - the number of idle processes;
-; active processes - the number of active processes;
-; total processes - the number of idle + active processes.
-; The values of 'idle processes', 'active processes' and 'total processes' are
-; updated each second. The value of 'accepted conn' is updated in real time.
+; 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:
-; accepted conn: 12073
-; pool: www
-; process manager: static
-; idle processes: 35
-; active processes: 65
-; total processes: 100
+; 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' or 'json' as a query string will return the corresponding output
-; syntax. Example:
+; '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: @EXPANDED_DATADIR@/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
+; 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
@@ -137,6 +245,76 @@ pm.max_spare_servers = 35
; 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: output 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 = /var/log/php-fpm/www-slow.log
+
+; 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'.
@@ -144,17 +322,6 @@ pm.max_spare_servers = 35
; Default Value: 0
;request_terminate_timeout = 0
-; 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 log file for slow requests
-; Default Value: not set
-; Note: slowlog is mandatory if request_slowlog_timeout is set
-slowlog = /var/log/php-fpm/www-slow.log
-
; Set open file descriptor rlimit.
; Default Value: system defined value
;rlimit_files = 1024
@@ -166,21 +333,36 @@ slowlog = /var/log/php-fpm/www-slow.log
; 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: chrooting is a great security feature and should be used whenever
+; 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. This value must be an absolute path.
+; Chdir to this directory at the start.
+; Note: relative path can be used.
; Default Value: current directory or / when chroot
;chdir = /var/www
; 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
+; Clear environment in FPM workers
+; Prevents arbitrary environment variables from reaching FPM worker processes
+; by clearing the environment in workers before env vars specified in this
+; pool configuration are added.
+; Setting to "no" will make all environment variables available to PHP code
+; via getenv(), $_ENV and $_SERVER.
+; Default Value: yes
+;clear_env = no
+
; 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
@@ -212,6 +394,9 @@ slowlog = /var/log/php-fpm/www-slow.log
; 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 @prefix@)
+
; 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 at my.domain.com
diff --git a/php-fpm.conf b/php-fpm.conf
index a919add..55dc684 100644
--- a/php-fpm.conf
+++ b/php-fpm.conf
@@ -110,5 +110,10 @@ daemonize = yes
; Pool Definitions ;
;;;;;;;;;;;;;;;;;;;;
+; Multiple pools of child processes may be started with different listening
+; ports and different management options. The name of the pool will be
+; used in logs and stats. There is no limitation on the number of pools which
+; FPM can handle. Your system will tell you anyway :)
+
; See /etc/php-fpm.d/*.conf
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