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Difference between revisions of "Screen.tools.expired.cache.15"

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==Description==
 
==Description==
This tool will purge all expired cache files and therefore clean up the the webspace.
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This tool will purge all expired cache files from the cache folders. ''Cache files which are still current are not purged.''  
*''Note'': if you have a large amount of items we recommend to purge the files as many times as possible to avoid overloading your webspace!
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*Because this process has to check each cache file individually, it is slower and requires more system resources than the [[screen.cache.15|Clean Cache]] option. However, once the purge process is complete, there should be no loss in speed for users of the site, because all current cache files are still available. In contrast, the [[screen.cache.15|Clean Cache]] option runs more quickly, since it just deletes all of the files in each cache folder. However, the website may be a little slower immediately after running Clean Cache, since in that case ''all'' cache files -- including current ones -- are removed, so users lose the benefit of using the cache files until they are re-created.
*'''Warning''': if you have a great amount of cache files and your server settings of 'max_input_time' is set to less then 60 (seconds), you mave recieve a php warning message. In this case start this process again!
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*If you have a large number of cache files and your server setting for 'max_input_time' is set to less then 60 seconds, you may receive a PHP warning message saying that the process exceeded the maximum time allowed. In this case, no harm is done but all of the files may not have been purged. It is ok simply to re-run the process.
  
 
==Screenshot==
 
==Screenshot==
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==Quick Tips==
 
==Quick Tips==
*Purging cached files is recommended if there is a great amount it items.
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*Purging of cache files is recommended to be run on a regular basis. Use either this option or the [[screen.cache.15|Clean Cache]] option.
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*If you receive a PHP timeout error or warning during the process, it is ok to start this program again.
  
 
==Related Information==
 
==Related Information==
 
*To change the cache settings for your site: [[screen.config.15#Cache Settings|Global Configuration - Cache Settings]]
 
*To change the cache settings for your site: [[screen.config.15#Cache Settings|Global Configuration - Cache Settings]]
<noinclude>{{cathelp|1.5|Cache|Tools}}</noinclude>
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*To clear all cache files: [[screen.cache.15|Clean Cache]]
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<noinclude>{{cathelp|1.5|Cache Helps Screens|Tools Helps Screens}}</noinclude>

Latest revision as of 22:22, 4 August 2012

Article stub for purge expired cache.

Contents

How to Access

Select Tools → Purge Expired Cache from the drop-down menu on the Back-end of your Joomla! installation.

Description

This tool will purge all expired cache files from the cache folders. Cache files which are still current are not purged.

  • Because this process has to check each cache file individually, it is slower and requires more system resources than the Clean Cache option. However, once the purge process is complete, there should be no loss in speed for users of the site, because all current cache files are still available. In contrast, the Clean Cache option runs more quickly, since it just deletes all of the files in each cache folder. However, the website may be a little slower immediately after running Clean Cache, since in that case all cache files -- including current ones -- are removed, so users lose the benefit of using the cache files until they are re-created.
  • If you have a large number of cache files and your server setting for 'max_input_time' is set to less then 60 seconds, you may receive a PHP warning message saying that the process exceeded the maximum time allowed. In this case, no harm is done but all of the files may not have been purged. It is ok simply to re-run the process.

Screenshot

Cache.Manager PurgeExpiredCache.png


Toolbar

At the top right you will see the toolbar:

TB.PurgeExpired.Help.png

  • Purge Expired.Click on this Button will start the purging process.
  • Help. Opens this Help Screen.


Quick Tips

  • Purging of cache files is recommended to be run on a regular basis. Use either this option or the Clean Cache option.
  • If you receive a PHP timeout error or warning during the process, it is ok to start this program again.

Related Information