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08.24.2008 at 02:33PM PDT, ID: 23674094
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8.0

Should I using mysql_pconnect() with PHP 5.1.6 (cli)?

Asked by t1shopper in PHP and Databases

Tags:

The link below says that there's only three ways to run PHP: (1) as a CGI "wrapper" (2) as a module in a multiprocess web server or (3) as a plug-in for a multithreaded web server.   And I've read that using mysql_pconnect()  may give me a performance boost only if I'm using PHP under case 2 or 3.

So how would I know if I'm running PHP as case 1, 2 or 3?

I'm guessing that case #1 looks like this:
shell>php my_php_script.php

I'm guessing that case #2 and #3 looks like this:
http://www.mydomain.com/my_php_script.php

Did I get it right?

From http://www.php.net/manual/en/features.persistent-connections.php
The first method is to use PHP as a CGI "wrapper". When run this way, an instance of the PHP interpreter is created and destroyed for every page request (for a PHP page) to your web server. Because it is destroyed after every request, any resources that it acquires (such as a link to an SQL database server) are closed when it is destroyed. In this case, you do not gain anything from trying to use persistent connections -- they simply don't persist. Start Free Trial
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shell> httpd -V -t -l
Server version: Apache/2.2.3
Server built:   Jan 11 2008 08:20:08
Server's Module Magic Number: 123456:4
Server loaded:  APR 1.2.7, APR-Util 1.2.7
Compiled using: APR 1.2.7, APR-Util 1.2.7
Architecture:   64-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=128
 -D HTTPD_ROOT="/etc/httpd"
 -D SUEXEC_BIN="/usr/sbin/suexec"
 -D DEFAULT_PIDLOG="logs/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_LOCKFILE="logs/accept.lock"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"
[+][-]08.27.2008 at 07:12AM PDT, ID: 22324941

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About this solution

Zone: PHP and Databases
Tags: MySQL PHP
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Solution Provided By: RQuadling
Participating Experts: 2
Solution Grade: A
 
 
[+][-]08.27.2008 at 04:47PM PDT, ID: 22330306

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[+][-]08.28.2008 at 02:49AM PDT, ID: 22333069

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[+][-]08.29.2008 at 01:25PM PDT, ID: 22348976

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[+][-]08.29.2008 at 01:28PM PDT, ID: 22349008

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[+][-]08.29.2008 at 03:13PM PDT, ID: 22349643

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[+][-]09.08.2008 at 04:22PM PDT, ID: 22422497

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[+][-]09.09.2008 at 01:34AM PDT, ID: 22425200

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[+][-]09.09.2008 at 01:48AM PDT, ID: 22425262

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[+][-]09.09.2008 at 07:05AM PDT, ID: 22427456

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[+][-]09.09.2008 at 07:24AM PDT, ID: 22427671

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[+][-]09.09.2008 at 07:35AM PDT, ID: 22427815

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[+][-]09.09.2008 at 07:39AM PDT, ID: 22427857

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[+][-]09.09.2008 at 07:46AM PDT, ID: 22427934

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[+][-]09.09.2008 at 07:55AM PDT, ID: 22428033

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