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Cache

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JAccelerator			componentplugin
Rating 21 votes	Developer:	Radoslaw Kubera	Version:	1.1.5 (Updated 346 days ago)
	E-mail:	This e-mail address is being protected from spam bots, you need JavaScript enabled to view it	Compatibility:
	Views:	23,189	License:
	Favoured:	23	Type:
			Date Added:	May 18, 2007

JAccelerator has a unique capability to cache any modules and components with individual specification of their life time in cache.
Due to such a mode of operation, the web page is built as if out of blocks (components and modules) and it can be individually decided whether they should be generated again or retrieved from cache.

Below, there are some capabilities of the JAccelerator component:
- very simple configuration;
- very simple installation;
- no need make any change in joomla core files;
- support for sessions and multilanguage;
- automatic self-clearing function;
- possibility of counting the page visits and banner displays (due to individual caching of components and modules);
- GZip compression support;
- changes of templates without cache emptying;
- max cache size limit;
- show/hide page generation time;
- 2 cache modes for modules (full cache or 1 view only) (new!);

How it works:
- During the first retrieval of the page (by means of GET method), the page display speed is as fast as without an installed component. During this activity, the system saves all the information about the modules and components.
- During the second display of the page, the system checks whether a given module or component already exists in a cache.
- If it exists, the system displays it from cache without a renew generation.
- When the user is logged in, the system automatically erases data from cache, regardless of the fact, whether time of their existence in cache is finished or not; that is why the changes are instantly visible and re-saved in cache.

The component has been tested with Joomla v. 1.0.11 and 1.0.12. It should also work with previous versions (from 1.0.3).

In particular, it is recommended to cache components of the following types:
- content
- contacts
- Web links
- user profiles
- galleries
- site maps

It is particularly recommended to cache modules of the following type:
- menus;
- RSS headers;
- polls;
- logins;

It is not recommended to cache components of the following type:
- forums
- components with their own caches (such as eWeather)
- news feeds, discussion lists
- other components, which content changes automatically without the need to log in to a site;

It is not recommended to cache modules of the following type:
- news on forums;
- random pictures, tips;
- banners;
- visitors' counters;
- other modules which content is changed with every page reload;

As the component works (especially at the beginning), memory is allocated on the hard drive, so it is recommended to actively monitor cache size until it is stabilized. The cache size depends on how long the information is to be stored in a cache, frequency cache cleaning and specific page design.

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User Reviews (10)

Good enough by clsbrasil, June 16, 2008

It is not so fast as another Cache Modules, but it is much more secure. I had a virtuemart store and lost many sales using not customizable cache. The buyers couldn´t finish their buyings.

Good component.

errors!!! had to remove by beededea, February 17, 2008

I really liked this product, the concept is good, the configuration is a breeze and for 20 minutes it worked a treat!

Then I started receiving MOS_content errors, same as in a previous review. Had to immediately remove the component from the site. A real pity as it seemed to be just what I wanted.

Keep an eye on this product and try it out on a not-so-important site to see if it works for you. Maybe future releases will fix the errors, I DO hope so as I still really want to use this tool.

Dean (yereverluvinunclebert)

Very Good But Buggy by sabounchi, January 12, 2008

This Component installs with no problem and when it works it does a great job speeding up the website but it is not very stable. Sometimes it works and sometimes it doesn't.
The issue that I ran in to was:
Every once in a while you get the error below:
Fatal error: Cannot use object of type mosParameters as array in /home/mytestsite/public_html/components/com_joomlacache/includes/frontend.php on line 215
I have tried it on various browsers and Installation of Joomla on different sites. Same issue, so it is definitely something buggy in the code.

great component by wahzaboy, December 15, 2007

Like already mentioned, the system really works! The load time gets decreased by a noticable manner.

So far 1 observations and 1 issue, it's REALY important to do some checks to make sure you don't run out of HDD space when you start using it and adjust to your own needs/possibilities.

As for the issue, i use J! core SEF with dynamic links and looks like the caching of links isn't working right on content items while having some modules/components. I'm used to look trough my site error logs and clean out all possible errors and while using JAccelerator i noticed it generated links like: content/view/129/45/module/some_module/some_file while getting back from the cache from all modules/components using an url in the format href="/module/some_module/some_file" no big deal if so many components/modules didn't use it.

"Unfortunatly" my site is mainly based on content and unless i take the time to hack trough all the concerned components/modules i have to leave the content cache disabled.

But even with that, it's still a great component and the best cache option i've seen so far.

Page titles stripped out by alexcg, October 9, 2007

Works wonders speeding my pages up, but seems to strip out the titles of any pages with cached components. If this can be fixed I'll be able to use it on the site full-time

So smooth! by bootsdman, July 15, 2007