Manual:$wgCacheDirectory/ja

詳細
This directory stores some cache files specific for a given wiki, which means wiki farms should have one such directory per wiki. Web からアクセスできるようにしてはいけません (Unix の場合は chmod 700). がfalseに設定されている（または設定されていない）場合、一部のキャッシュがシステムディレクトリに格納されます.

The proposed value is. This is commented in the file LocalSettings.php created during the installation and can be de-commented. In this case, you should create the directory  in your MediaWiki directory and make it writable by the web server.

Note that you should not set this directory to  else there could be conflicts with other MediaWiki installations on the same server (wiki farms or shared servers).

関連項目

 * 地域化#キャッシュ