== PHP client for memcached ==
MediaWiki uses a fork of Ryan T. Dean's pure-PHP memcached client.
-The newer PECL module is not yet supported.
+It also supports the PECL PHP extension for memcached.
MediaWiki uses three object for object caching:
* $wgMemc, controlled by $wgMainCacheType
disable itself fairly smoothly.
By default, $wgMemc is used but when it is $parserMemc or $messageMemc
-this is mentionned below.
+this is mentioned below.
== Keys used ==
expriry: $wgRevisionCacheExpiry
Sessions:
- controlled by: $wgSessionsInMemcached
+ controlled by: $wgSessionsInObjectCache
key: $wgBDname:session:$id
ex: wikidb:session:38d7c5b8d3bfc51egf40c69bc40f8be3
stores: $SESSION, useful when using a multi-sever wiki
controlled by: $wgStatsMethod
key: $wgDBname:stats:$key
ex: wikibd:stats:request_with_session
- stores: counter for statistics (see maintenance/stats.php script)
+ stores: counter for statistics (see maintenance/showCacheStats.php script)
expiry: none (?)
- cleared by: maintenance/clear_stats.php script
+ cleared by: maintenance/clearCacheStats.php script
User:
key: $wgDBname:user:id:$sId