For pages which are not CACHEABLE some time consuming calls are made which severely reduce performance.

Hi,

I'm having problems with the page caching mechanism. For pages which are not CACHEABLE some time consuming calls are made which severely reduce performance. Please see the attacheed profile snapshot for the view script. As things are this means I can't upgrade to 1.1.5 because 1.0.9 gives much better performance for our users. I'm using DB_File with file caching. Any idea of tweaks I could make?

Thanks.

Best Wishes

Neil

• profile info for non-cached paged:

• 

I've changed the cache settings to:

$Foswiki::cfg{Cache}{Enabled} = 1;
$Foswiki::cfg{Cache}{WebDependencies} = 'WebRss, WebAtom, WebTopicList, WebIndex, WebSearch, WebSearchAdvanced ';
$Foswiki::cfg{Cache}{DependencyFilter} = '$Foswiki::cfg{SystemWebName}\\..*		$Foswiki::cfg{TrashWebName}\\..*		.*Template$	TWiki\\..*';
$Foswiki::cfg{CacheManager} = 'Foswiki::Cache::MemoryLRU';
$Foswiki::cfg{MetaCacheManager} = 'Foswiki::Cache::BDB';
$Foswiki::cfg{Cache}{RootDir} = '$Foswiki::cfg{WorkingDir}/tmp/cache';
$Foswiki::cfg{Cache}{DBFile} = '$Foswiki::cfg{WorkingDir}/tmp/foswiki_db';
$Foswiki::cfg{Cache}{NameSpace} = '$Foswiki::cfg{DefaultUrlHost}';
$Foswiki::cfg{Cache}{MaxSize} = '1000';
$Foswiki::cfg{Cache}{Servers} = '127.0.0.1:11211';

and this seems to be working better at the moment. I am currently running a script to recursively 'view' the whole site so will see what happens to the caches after all 50 000+ pages have been viewed. With the previous settings the page load slowed after lots ( > 10000 ) pages had been cached.

-- NeilMcKett - 03 Aug 2012

Are there any plans to fix the page cache in Foswiki 1.1.7?

Thanks

Neil

-- NeilMcKett - 05 Dec 2012

Unfortunately the page cache fixes are more extensive than should be made in a patch release. The Cache was completely redesigned / rewritten for Foswiki 1.2, and has been active on http://trunk.foswiki.org/Support/Question1149 for testing. It is showing good results there and will be released in Foswiki 1.2.0, which is expected to be the next release of Foswiki.

-- GeorgeClark - 06 Dec 2012