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How to prevent MediaWiki caching pages: Difference between revisions
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How to prevent MediaWiki caching pages (view source)
Revision as of 04:40, 12 December 2014
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|title=How to prevent MediaWiki caching pages | |title=How to prevent MediaWiki caching pages | ||
|titlemode=replace | |titlemode=replace | ||
|keywords= | |keywords=#howtopreventmediawikicachingpages #help #meatcookingtimecalculator | ||
|hashtagrev=12032020 | |||
|description=Adding this as a personal aide-memoir, that may also prove useful to others. A MediaWiki caches pages for efficiency reasons. | |description=Adding this as a personal aide-memoir, that may also prove useful to others. A MediaWiki caches pages for efficiency reasons. | ||
}} | }} | ||
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Adding this as a personal aide-memoir, that may also prove useful to others. | Adding this as a personal aide-memoir, that may also prove useful to others. | ||
====MediaWiki caching==== | ====MediaWiki caching==== | ||
A MediaWiki caches pages for efficiency reasons. The MediaWiki pages are created by parsing multiple tables within a large database. Whilst this provides flexibility it is not terribly efficient. To greatly improve this situation, the MediaWiki engine saves the latest 'built' page in a cache and delivers that when a page is requested. | A MediaWiki caches pages for efficiency reasons. The MediaWiki pages are created by parsing multiple tables within a large database. Whilst this provides flexibility it is not terribly efficient. To greatly improve this situation, the MediaWiki engine saves the latest 'built' page in a cache and delivers that when a page is requested. | ||
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</pre> | </pre> | ||
==== Truncate database table l10n_cache ==== | ==== Truncate database table l10n_cache ==== | ||
From the [http://www.mediawiki.org/wiki/Manual:L10n_cache_table Mediawiki page covering this table] | From the [http://www.mediawiki.org/wiki/Manual:L10n_cache_table Mediawiki page covering this table]: ''"Its content can be deleted and excluded from backups as it will be regenerated when needed."'' | ||
Its content can be deleted and excluded from backups as it will be regenerated when needed. | |||
This table can become massive. I've seen it as large as 5.4 gb on this server. | |||
==See also== | ==See also== | ||
====Clear cache on edit/save of LocalSettings.php==== | ====Clear cache on edit/save of LocalSettings.php==== | ||
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$wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) ); | $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) ); | ||
</pre> | </pre> | ||
====Clear cache of all pages (PurgeList.php)==== | |||
php /var/www/vhosts/domain.com/httpdocs/wiki/maintenance/purgeList.php --purge --all | |||
====Clear cache of a specific page (Perl)==== | ====Clear cache of a specific page (Perl)==== | ||
<pre> | <pre> | ||
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} | } | ||
</pre> | </pre> | ||
* http://www.mediawiki.org/wiki/Manual:PurgeList.php | |||
* http://meta.wikimedia.org/wiki/MediaWiki_FAQ#How_do_I_purge_cached_pages.3F | * http://meta.wikimedia.org/wiki/MediaWiki_FAQ#How_do_I_purge_cached_pages.3F | ||
* http://www.mediawiki.org/wiki/Extension:MagicNoCache | * http://www.mediawiki.org/wiki/Extension:MagicNoCache | ||
[[Category:Useful information]] | [[Category:Useful information]] | ||
[[Category:Help]] | [[Category:Help]] | ||
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