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User Guide
The information contained in this section applies to WebSphere Commerce Version 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in a newer section.WebSphere Commerce is a single, unified e-commerce platform that offers the ability to do business directly with consumers (B2C), directly with businesses (B2B), and indirectly through channel partners (indirect business models). WebSphere Commerce is designed to be a customizable, scalable, and high availability solution that is built to leverage open standards. It provides easy-to-use tools for business users to centrally manage a cross-channel strategy. Business users can create and manage precision marketing campaigns, promotions, catalog, and merchandising across all sales channels.
Performance
Methodology
Like site security, a proper approach to site performance requires planning, execution, testing, monitoring, and maintenance. The following collections of topics describe each phase of this process, and contain the recommended considerations, and best practices for getting the most out of your WebSphere Commerce deployment.
Tuning
A WebSphere Commerce deployment is made up of many individual parts that work together to provide the e-commerce experience. By default, each part is configured to provide a base level of performance. However, individual changes can be made to potentially gain extra performance. The following collection of topics provides details on how to make these performance changes to the individual components of your site.
Marketing performance tuning
The Management Center Marketing tool provides business users with many features to help enhance site and store marketing activities. Planning is required to use the various caching techniques available to achieve and maintain your optimal site performance.
Improving Email activity sending performance
You can set two parameters in the EMLMSG database table that can improve performance when you use Email or Dialog activities to send marketing emails.

Improving Email activity sending performance

You can set two parameters in the EMLMSG database table that can improve performance when you use Email or Dialog activities to send marketing emails.

About this task

In the PROPERTYFILE column of the EMLMSG database table, you can set the following optional parameters for an email message template:

CONTENT=GENERIC: Set this parameter if the email content is the same for all customers. For examples, if your email template does not generate content that is personalized for individual customers. As a result, the marketing services create the email JSP only one time, and the same email content is sent to all customers.

Procedure

Access the development database.
Run the following SQL statement:
```
UPDATE EMLMSG SET PROPERTYFILE = 
'email_performance_parameters;' 
WHERE EMLMSG_ID = emlmsg_id; 
```
where:
- email_performance_parameters is any of CONTENT=GENERIC and THREADCOUNT=value.
  Each parameter must end with a semi-colon (;).
- emlmsg_id is the numeric ID assigned to the email message.
Here is an example SQL command that could improve performance for an email activity that
- Sends generic content to all customers
- Has a large distribution list, so you want to use 20 threads
```
UPDATE EMLMSG SET PROPERTYFILE = 
'CONTENT=GENERIC;THREADCOUNT=20;' 
WHERE EMLMSG_ID = 25;
```