Operate > IBM Management Center for WebSphere Commerce > Promotions tool > Work with promotions > Create promotions > Creating catalog entry level promotions


Performance impact of "individual" catalog entry promotions

Promotion types that offer discounts on individual catalog entries can impact site performance because of the amount of processing required while a customer checks out.

The following promotion types offer discounts on individual catalog entries:

If you use one of these promotion types, and if a customer purchases a large number of catalog entries (hundreds or more) that qualify for the promotion, the promotion engine must process the adjustment on each item individually at check out. As a result, site performance can be degraded during this processing. Site traffic and system capacity are other factors that affect site performance in this situation.

To avoid the potential performance impact of these individual catalog entry promotion types, consider using similar promotion types that offer discounts on the subtotal of all qualifying catalog entries instead. These are:

Use these alternative promotion types means that any Redemption Limits or Maximum Discount Amount properties you set will apply at the order level rather than to each individual catalog entry; however, this trade-off may be worthwhile to ensure site performance is not impacted. For more information, see Comparison of "individual" and "subtotal" percentage off promotion types.


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