Manual talk:File cache
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[edit] Invalidation does not work for me
Please help, I am trying to correct translation of wikopedia, but I have problems with invalidating the cache. I correct the cur_text field in the database, but nothing changes. I have tried to manually set the cur_touched field to current time and use $wgCacheEpoch to invalidate but nothing has worked.
Thanks for helping.
- Please edit the article instead of the database. That will cause the caches to be updated. If it is in a configuration file, you can delete every file in the file cache and that will leave no choice but to create a new file. If you still have trouble, please give more details in an email to the MediaWiki mailing list. Jamesday
It would be helpful if an example of how to set $wgCacheEpoch to the current time, and also it would be helpful if more explanation of how one could go about deleting the cache. For example, where is the cache? Can I just find a cache directory on the hard drive and delete it? GregGarner
Note that the above conversation may have been edited or added to since the transfer. If in doubt, check the edit history.
[edit] need defintion for cache for less computer savy wikiusers
Need definition. 68.92.156.227 17:14, 21 December 2006 (UTC)
[edit] Help clearing article cache?
Hi all. I'm working on a tag-extension for uploaded images in which I make it possible to edit tags succesfully in image description pages without having to make changes to the article itself. I did this by sending the tags to updateArticle() when posting and then bypassing the "if ( 0 != strcmp( $text, $oldtext )" (check if anything changed in the article) by putting my function addTags() after the end of the if (and else) brackets. This way the tags are added anyway, even when the article wasn't updated.
My problem is: when an article isn't updated the cache isn't cleared, requiring a hard refresh to see the new tags. How can I make sure the cache of that particular article is cleared even when it hasn't changed? Or should I just force a change in the article? Many thanks! Litso 21:41, 30 January 2008 (UTC)
- Never mind, I solved it. Calling the Title::touchArray( ); function didn't work for only one article because it isn't an array, so I just stripped the function and used $dbw->update to change the page_touched field to the current time. If anyone is interested, the following code worked for me:
$dbw->update( 'page',array( 'page_touched' => $dbw->timestamp(); ),array( 'page_namespace' => $this->mTitle->getNamespace(),'page_title' => $this->mTitle->getDBkey() ),$fname );
- where of course $this->mTitle represents the article name in the function the code was placed in, I don't know if this is used consistantly throughout the code. Litso 09:24, 31 January 2008 (UTC)
[edit] removing old cache items through linux command
find /path/to/cache -type f -mtime +5 -exec rm {} \;
This will clear out all files that are older than 5 days old.
BE EXPLICIT WITH YOUR PATH. You don't want this to go wrong. You can change rm to rm -v to see what is being deleted as it is being deleted
