Release status: beta
|Description||Provides a MediaWiki client for the pool counter daemon|
|Author(s)||Tim Starling, Platonides|
|License||GNU General Public License 2.0 or later|
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The PoolCounter extension provides a MediaWiki client for the pool counter daemon.
- Download and place the file(s) in a directory called
- Add the following code at the bottom of your LocalSettings.php:
wfLoadExtension( 'PoolCounter' );
- Done - Navigate to Special:Version on your wiki to verify that the extension is successfully installed.
To users running MediaWiki 1.24 or earlier:
The instructions above describe the new way of installing this extension using
wfLoadExtension() If you need to install this extension on these earlier versions (MediaWiki 1.24 and earlier), instead of
wfLoadExtension( 'PoolCounter' );, you need to use:
The C poolcounterd daemon is in the
It requires libevent to be installed (
libevent-dev on Debian-based systems).
make to build it, and
sudo make install to install it.
To make sure it is running, you can run
echo 'STATS FULL' | nc -w1 localhost 7531, which should produce output similar to the following:
uptime: 0 days, 0h 0m 21s total processing time: 0.000000s average processing time: 0.000000s gained time: 0.000000s waiting time: 0.000000s waiting time for me: 0.000000s waiting time for anyone: 0.000000s waiting time for good: 0.000000s wasted timeout time: 0.000000s total_acquired: 0 total_releases: 0 hashtable_entries: 0 processing_workers: 0 waiting_workers: 0 connect_errors: 0 failed_sends: 0 full_queues: 0 lock_mismatch: 0 lock_while_waiting: 0 release_mismatch: 0 processed_count: 0
The extension can be configured with the global
$wgPoolCountClientConf, which is an associative array with the following keys:
- An array of server IP addresses. Adding multiple servers causes locks to be distributed on the client side using a consistent hashing algorithm.
- The connect timeout in seconds.
See also[edit source]
|This extension is being used on one or more Wikimedia projects. This probably means that the extension is stable and works well enough to be used by such high-traffic websites. Look for this extension's name in Wikimedia's CommonSettings.php and InitialiseSettings.php configuration files to see where it's installed. A full list of the extensions installed on a particular wiki can be seen on the wiki's Special:Version page.|