[caching] Ways to rebuild category cache
Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/20883ec3e6b4be05#
In-Portal rebuilds category cache after a change has been made to a category.
Right now cache rebuild is always made. Following rules apply after category has been changed:
if user has less then 30 categories, then cache rebuild is made automatically using progress bar
if user has 30 and more categories, then user is asked if he wishes to perform cache rebuild right now using progress bar and he can deny rebuild
if "quick category cache rebuild" setting is enabled, then category cache is rebuild in background without asking a user or showing a rebuild progress bar
On one of my projects I saw a customization, when new setting was added "Automatically Rebuild Category Cache" was added and it was disabled. This was done, because there were 3000 categories and they were changed very often, so answering No all the time to "rebuild category cache now" question became very annoying.
I'm proposing to create new configuration setting "Category Cache Rebuild Mode", that will replace "quick category cache rebuild" option with following options:
Manual - user need to click on rebuild button in catalog (will use progress bar)
Silent - cache will be rebuild in background (no progress bar)
Automatic - ask/don't ask user (based on category count) and rebuild (if he agrees) with progress bar
Default setting will be set to Automatic for backwards compatibility.
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Phil, I guess you never worked with 3000 categories project :)
This is where it's good to have these options.
DA
Dmitry, that's right, I don't have websites with so many categories.
The main website I'm working on, as webmaster, have 390 categories, and 10 languages. Let me tell you that at this point, it's even impossible to edit 5 categories at the same time, otherwise everything explode when I try to save changes! Not to say that Debug mode need to eat more than 50mb (!) to finish its output, giving the need to change mysql config, just to be able to work correctly... If you are interested by categories bug, I can provide you some recipes, even with my small websites :)
And categories "not appearing after creating" is a frequent bug, even on standard install with 10 new categories added. And until pressing "Refresh", no chance to view them (nor recipe here sadly).
That's why I propose to do it silently. Every time. For every sizes.
Envoy
I'm 100% for it! I had many problems with users not rebuilding cache. and I even see no benefit to have Automatic or Manual mode, if it can performed silently in background, without annoying user, why don't do it every time it's needed?
Envoy