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ColdFusion 4.0 introduces a number of options designed to give you greater flexibility in managing client variables. Client variables in ColdFusion give you the ability to determine the identity of a client visiting your site. Identifying clients and customizing page content for users requires the ability to manage client state.
ColdFusion allows the following ways of managing client variables:
The method you choose to store client variables will depend on a number of factors. Among the most important factors is whether your site is currently using, or will be using server clustering to provide load balancing and fail-over support. In addition, there are a number of other factors to consider:
Client Variable Storage | ||
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Storage Type | Advantages | Disadvantages |
System registry |
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Browser cookies |
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External repository |
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Windows NT notifies you if your registry data is approaching the limit defined for registry size in the System Properties dialog. If you receive this message, you can open the System Properties dialog and increase the minimum size of your system registry.
Unlike Windows NT, ColdFusion for Solaris does not impose limits on the size of the registry. However, it's still a good idea to be aware of the size of your registry. Registry data is stored in the following file:
<installdir>/coldfusion/.windu.hostname/windu_reg.dat
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