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[unit configs] Unit setting collections

[unit configs] Unit setting collections

Owned by Alex
Last updated: Dec 22, 2024

Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/4e21837703806a76#

  1. Right now we collect some unit config settings (e.g. RewriteListeners, AggregatedTags) into a collections, that are stored in kApplication class instance.

  2. Also we cache all collections however we must create instances of all objects that store collections on In-Portal start even if they won't be used (e.g. aggregated tag list).

If we'll be implementing tag filter concept (see [template parser] Tag filter concept [5.3.0-B1]), then we'll have one more collection as a result. Currently collection adding and using isn't very straight forward process and we should work to make it easier to use. To solve this we might need to separate cache into one, that is used at every page and other on-demand caches. However that might result in additional sql queries (1 extra sql query per cache restore) if Memcache isn't used.