The MySQL Enterprise Plugin for Connector/PHP enables you to use the Query Analyzer to monitor MySQL queries from PHP applications, such as PHP-enabled web pages. The Query Analyzer enables you to locate and analyze queries that are inefficient or slow. Tuning such queries helps to shorten load times for web pages, and improves overall system responsiveness and scalability.
The PHP query data is routed through the MySQL Enterprise Monitor Aggregator. The Aggregator receives query information from the PHP plug-in, aggregates and computes statistics, and sends this data to the MySQL Enterprise Service Manager, where it is displayed by the Query Analyzer. You must have the MySQL Enterprise Monitor Aggregator enabled and running to use Query Analyzer with PHP applications.
The PHP Connector is the only connector which requires the MySQL Enterprise Monitor Aggregator to aggregate queries and transmit them to the MySQL Enterprise Service Manager. The other Connectors can be configured to do this without the MySQL Enterprise Monitor Aggregator.
The MySQL Enterprise Plugin for Connector/PHP requires PHP 5.3.2 or above, with the
MySQL native driver,
mysqlnd, installed. This
is the recommended configuration. If your PHP installation was
not configured with the
mysqlnd enabled, you
must rebuild and install PHP from source using at least one of
the following options:
The preceding options are supplied to the
configure command, depending on which
extension you are using (
you use more than one extension, provide multiple options.
Specifying any of the options listed rebuilds PHP with
mysqlnd support. You also must enable the PHP
The MySQL client application user, that makes PHP connections in
your PHP code, must have
SELECT privileges on
mysql.inventory table. This table
contains the server UUID required to report the Query Analyzer
data to the MySQL Enterprise Service Manager. Use the
GRANT statement. For example:
mysql> GRANT SELECT on mysql.inventory to 'user'@'localhost' IDENTIFIED BY 'password';
The plug-in is provided as a regular PHP module (PHP extension), and installation follows those PHP standard procedures as described on http://php.net/install.pecl.
Download the MySQL Enterprise Plugin for Connector/PHP, then use the following step-by-step instructions to install and configure the MySQL Enterprise Plugin for Connector/PHP extension.
php.iniconfiguration file. If you do not know the location, you can view information about your PHP installation by creating a script containing:
<?php phpinfo(); ?>
Place the script within a directory configured for providing PHP web pages. Now load the page in your web browser to see a list of configuration and other information about your PHP installation.
Check the output for Loaded Configuration File. If the value is
(none), refer to the Configuration File (php.ini) Path and create a file called
php.iniin there. If a Scan this dir for additional .ini files option is listed you can also create a file using any name you like, ending
.ini, in that directory to set configuration options.
Identify whether or not your PHP build was built “thread safe” by checking the Thread Safety value in the output from the
phpinfo()test. If your PHP build is thread safe, you need
mysqlenterprise_ts.soon Linux, Unix, and OS X, or
php_mysqlenterprise_ts.dllon Microsoft Windows. If not, use
mysqlenterprise.soon Linux, Unix, and OS X, or
php_mysqlenterprise.dllon Microsoft Windows.
Add an entry for the MySQL Enterprise Plugin for Connector/PHP module. The following example uses the full path:
Alternatively, add the file to the directory defined by the
extension_dirconfiguration option, and specify the file name:
mysqlndis loaded as a shared library (
mysqlnd.so), it must be loaded before
mysqlenterprise.soor errors such as
PHP Warning: PHP Startup: Unable to load dynamic library '/mysqlenterprise.so' - /mysqlenterprise.so: undefined symbol: mysqlnd_plugin_register in Unknown on line 0are emitted by PHP. Either:
php.iniis used to load the PHP extensions, then list it first. For example:
If individual ini files are used to load the PHP extensions, the ini files are loaded alphabetically, adjust accordingly so that
mysqlnd.sois loaded first. For example,
Users of Debian-based systems, such as Ubuntu, are encouraged to use the
php5enmodcommand to enable extensions. For example:
$ php5enmod /path/to/mysqlenterprise.so
php5enmodcreates a symlink from the usual
conf.ddirectory that points to where the real files are located in
mods-available, and prefixes it with a priority number.
Restart your Web server application to reload PHP and the configured extensions.
phpinfo()page, and inspect the listing for the
If you are using PHP on Microsoft Windows with the Apache web server (httpd) built from apache.org, note the following:
MySQL no longer supports VC6, the MySQL Enterprise Plugin for Connector/PHP for Microsoft Windows is compiled with the newer VC9 compiler. You can not use PHP as a loaded module with an Apache web server build that uses VC6. Alternative Apache builds exist that use VC9. Check your source and ensure that your binaries are compiled using VC9.
PHP binaries for Microsoft Windows from php.net have compiled
mysqlnd support by default, since PHP
The configuration of the MySQL Enterprise Plugin for Connector/PHP is handled through
the standard PHP configuration files, either globally using
php.ini, or by using the per-directory
options, as detailed in
Configuration. The following table shows the available
Each PHP configuration option for MySQL Enterprise Monitor is prefixed by
Table 12.1 Connector/PHP Properties
Timeout, in seconds, for communications with the MySQL Enterprise Monitor Aggregator.
This property can be combined with the
Timeout, in microseconds, for communications with the MySQL Enterprise Monitor Aggregator.
This property can be combined with the
The Aggregator's username. See Chapter 11, Proxy and Aggregator Installation for more information.
||The Aggregator's password.
The IP address, or hostname, and port of the Aggregator installation.
This property should be used only when debugging your MySQL Enterprise Monitor installation with MySQL Support personnel.
Defines the name of the callback function to invoke when data is sent to the Aggregator. The callback is defined in the PHP application and is a function which requires a single parameter, the array of HTTP requests made to the Aggregator.
Defines whether a backtrace is performed. Backtrace is useful for debugging but has a performance impact.
Defines the location of a log file which logs all query information sent to the Aggregator.
This should only be used for debugging purposes because every request is logged, resulting in a very large log file.
Defines whether query analysis is enabled.
The following is an example of the Aggregator-specific section
extension = /usr/local/apache/php/lib/php/extensions/mysqlenterprise.so mysqlenterprise.aggregator_url = tcp://aggregator:14000 mysqlenterprise.quan_enabled = 1 mysqlenterprise.debug_callback = cta_callback mysqlenterprise.disable_backtrace = 1 mysqlenterprise.aggregator_user = username mysqlenterprise.aggregator_password = "password"
You must restart your server after setting these properties.
Verify the settings are correct by checking the output of