Wednesday, August 09, 2006

Caching in ColdFusion

ColdFusion allows you to cache data in several ways and is very simple to implement. Using caching features often produces a dramatic positive effect on overall site performance. Given these facts, it is strange the caching strategies are often an under-appreciated and under-used feature of ColdFusion.
You have two basic ways to cache in ColdFusion, one is in the CFML you write, and the other is in settings in the ColdFusion Administrator. In CFML, you can cache at the query level or at the page level. At the query level you can use either the cachedwithin or cachedafter attribute of the cfquery tag. At the page level you use the cfcache tag. In the ColdFusion Administrator there are three settings that deal with caching. All of these topics will be covered in this article.


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