Topic: FastCGI Process Manager (FPM) SAPI

Hi,

PHP 5.3.3 includes the new FPM SAPI. Can you please add support for this to your packages?

Thanks.

Re: FastCGI Process Manager (FPM) SAPI

Probably... if I found some time to work on this build.

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Re: FastCGI Process Manager (FPM) SAPI

Note to myself
- need to add --enable-fpm (done)
- need to add a new sub-package php-fpm (done)
- need to provide a default config (done)
- need to create a init script (done)
- need apache users for test
- need lighttpd users for test

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Re: FastCGI Process Manager (FPM) SAPI

Version 5.3.3-0.1.201007040430 provides the php-fpm sub-package.

Feedback expected.

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Re: FastCGI Process Manager (FPM) SAPI

Confirmed working on Centos 5.5 with lighttpd, thanks a lot.

Only issue I noticed:

[ERROR] creat("/var/run/php-fpm/php-fpm.pid") failed: No such file or directory (2)

If you can create the /var/run/php-fpm/ directory on install that would be great.

Re: FastCGI Process Manager (FPM) SAPI

Thanks for the quick feedback and for the notice.

Dir /var/run/php-fpm will be provided be the rpm, at next build.

+

P.S. http://github.com/remicollet/remirepo/c … ac87f9fd54

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7 (edited by omega13a 2010-07-06 18:31:28)

Re: FastCGI Process Manager (FPM) SAPI

Doesn't appear to be working on CentOS 5.5 with nginx 0.6.39. It says the service starts fine but it doesn't. When I check the status, I get php-fpm dead but subsys locked. I've tried forcing a restart of the php-fpm service and that didn't help...

Edit:
Never mind. I got it fixed. For some reason after installing /var/run/php-fpm didn't exist so there wasn't a directory for the pid file...

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Re: FastCGI Process Manager (FPM) SAPI

Sorry for the double post but I think that either PHP 5.3.3 or the FPM stuff isn't stable enough to use in a live environment. Upgrading to PHP 5.3.3 really screwed up my site's layout as you can see: http://urcreative.hobby-site.com/ . I've gone back and forth between PHP 5.3.2 and 5.3.3 a few times to be sure and its definitely something with PHP 5.3.3...

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Re: FastCGI Process Manager (FPM) SAPI

Seems you have a path issue.

Not enough info to help,
Check your log (apache + php-fpm)

Try the chdir directive in your conf.

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Re: FastCGI Process Manager (FPM) SAPI

Checked both php-fpm logs and nginx's logs. nginx's log showed nothing but page not found errors and PHP-FPM's log did showed nothing but this:

[ERROR] bind() for address '127.0.0.1:9003' failed: Address already in use (98)

Here's the PHP info: http://urcreative.hobby-site.com/phpinfo.php
And the FPM config stuff:
/etc/php-fpm.conf:

;;;;;;;;;;;;;;;;;;;;;
; FPM Configuration ;
;;;;;;;;;;;;;;;;;;;;;

; All relative paths in this configuration file are relative to PHP's install
; prefix.

; Include one or more files. If glob(3) exists, it is used to include a bunch of
; files from a glob(3) pattern. This directive can be used everywhere in the
; file.
include=/etc/php-fpm.d/*.conf

;;;;;;;;;;;;;;;;;;
; Global Options ;
;;;;;;;;;;;;;;;;;;

[global]
; Pid file
; Default Value: none
pid = /var/run/php-fpm/php-fpm.pid

; Error log file
; Default Value: /var/log/php-fpm.log
error_log = /var/log/php-fpm/error.log

; Log level
; Possible Values: alert, error, warning, notice, debug
; Default Value: notice
;log_level = notice

; If this number of child processes exit with SIGSEGV or SIGBUS within the time
; interval set by emergency_restart_interval then FPM will restart. A value
; of '0' means 'Off'.
; Default Value: 0
;emergency_restart_threshold = 0

; Interval of time used by emergency_restart_interval to determine when 
; a graceful restart will be initiated.  This can be useful to work around
; accidental corruptions in an accelerator's shared memory.
; Available Units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
;emergency_restart_interval = 0

; Time limit for child processes to wait for a reaction on signals from master.
; Available units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
;process_control_timeout = 0

; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
; Default Value: yes
;daemonize = yes

;;;;;;;;;;;;;;;;;;;;
; Pool Definitions ; 
;;;;;;;;;;;;;;;;;;;;

; See /etc/php-fpm.d/*.conf

/etc/php-fpm.d/urcreative.conf:

; Start a new pool named 'www'.
[urcreative]

; 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 = 127.0.0.1:9003

; 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 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 = web3
listen.group = client2
listen.mode = 0666

; 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 = web3
group = client2

; 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:
;             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.
; 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'.
; 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'
; Note: This value is mandatory.
pm.max_children = 20

; 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 = 5

; 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 = 5

; 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 = 10
 
; 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. 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.
; Example output:
;   accepted conn:   12073
;   pool:             www
;   process manager:  static
;   idle processes:   35
;   active processes: 65
;   total processes:  100
; 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:
;   http://www.foo.bar/status
;   http://www.foo.bar/status?json
;   http://www.foo.bar/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 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
 
; 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: /var/log/php-fpm.log.slow
;slowlog = /var/log/php-fpm.log.slow
 
; 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: 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.
; 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.
; Default Value: no
;catch_workers_output = yes
 
; 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.

; 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
php_admin_flag[suhosin.simulation] = off
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Re: FastCGI Process Manager (FPM) SAPI

Please, set php_admin_value[error_log] to somewhere writable by web3 user or client2 group

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Re: FastCGI Process Manager (FPM) SAPI

@omega13a : your problem seems fixed.

Please share the solution.

+

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Re: FastCGI Process Manager (FPM) SAPI

It's not a fix I'm happy with. I tracked down the problem to this block of code in Joomla (/libaries/joomla/enviroment/uri.php):

                if (strpos(php_sapi_name(), 'cgi') !== false && !empty($_SERVER['REQUEST_URI'])) {
                    //Apache CGI
                    $base['path'] =  rtrim(dirname(str_replace(array('"', '<', '>', "'"), '', $_SERVER["PHP_SELF"])), '/\\');
                } else {
                    //Others
                    $base['path'] =  rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\');
                }

I know with the version of PHP I am running now (the one in your repo), $base['path'] is equal to rtrim(dirname(str_replace(array('"', '<', '>', "'"), '', $_SERVER["PHP_SELF"])), '/\\'); when rtrim(dirname($_SERVER['SCRIPT_NAME']), '/\\'); appears to be the value it should be. Note I said appears to be because I haven't tested to see if was with the version I had before. I just know when I comment out:

if (strpos(php_sapi_name(), 'cgi') !== false && !empty($_SERVER['REQUEST_URI'])) {
                    //Apache CGI
                    $base['path'] =  rtrim(dirname(str_replace(array('"', '<', '>', "'"), '', $_SERVER["PHP_SELF"])), '/\\');
                } else

it works fine. The version I have before for the update was a custom build of PHP 5.3.2 using the SRPM from your repo with the FPM patch from http://php-fpm.org/ .

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Re: FastCGI Process Manager (FPM) SAPI

Probably because php_sapi_name() returns fpm-fcgi

Can you trace what are the values of $_SERVER["PHP_SELF"] and $_SERVER['SCRIPT_NAME'] before this test.
I think, should be the same and I don't see in which case it could have '"', '<', '>', "'" in it....

And this probably need to be reported upstream (to joomla project)

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15 (edited by omega13a 2010-07-12 08:21:28)

Re: FastCGI Process Manager (FPM) SAPI

$_SERVER["PHP_SELF"] is /index.php/index.php and $_SERVER['SCRIPT_NAME'] is /index.php neutral

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Re: FastCGI Process Manager (FPM) SAPI

> $_SERVER["PHP_SELF"] is /index.php/index.php

It Seems to be a bug... which need to be reported upstream... (php project)
Just need to find a minimal/simple reproduce case...


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Re: FastCGI Process Manager (FPM) SAPI

Found the problem! cgi.fix_pathinfo being set to one isn't needed with the FPM in PHP 5.3.3. It was with PHP 5.3.2 with the FPM patch.

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Re: FastCGI Process Manager (FPM) SAPI

Found the problem!

Great smile

This will be usefull to others.

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Re: FastCGI Process Manager (FPM) SAPI

hi, can you add for suhosin and xcache in this RPM ?

we have four sites running now with php 5.3.2 with old php-fpm patch. works well, but we like to know how te new dynamic dispatcher works, but the site are using xcache for acceleration and var caching. suhosin is a security requirement for every site that we manage.

or provide to us, the way to build this extensions with your srpm (we have spare dev servers here too)

20 (edited by omega13a 2010-07-18 19:31:08)

Re: FastCGI Process Manager (FPM) SAPI

I have already have the xcache rpm made. You can find them at http://www.fedtrek.com/staff/omega13a/rpms.

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Re: FastCGI Process Manager (FPM) SAPI

All extensions available in remi repo, build for php 5.3, should work.

php-suhoshin is available.
xcache is not, but APC and Eaccelerator are.

APC is probably a good choice (the best ?) for opcache. Will be in RHEL-6 (moved from EPEL by redhat), and will be integrated in next major PHP version.

+

P.S. the only small issue with APC is that the cache is shared by all fpm process, even if run under different account.

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Re: FastCGI Process Manager (FPM) SAPI

eAccelerator has issues with FPM, at least with the FPM patch. On my webserver, the processes would go "rouge" and I'll end up with a load average of like 100 or more... I haven't tested it with the FPM that's built into PHP 5.3.3 yet.

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