
Further Information
fraction of them are logged in and performing business transactions. A common mistake during capacity planning is to use the total size of customer population as the basis and not the average and peak numbers for concurrent users. The number of concurrent users also may exhibit patterns over time.
■What is the average and peak amount of data transferred per request? This value is also
■What is the expected growth in user load over the next year? Planning ahead for the future will help avoid crisis situations and system downtimes for upgrades.
Further Information
■For more information on Java performance, see Java Performance Documentation and Java Performance BluePrints.
■For details on optimizing EJB components, see Seven Rules for Optimizing Entity Beans
■For details on profiling, see“Profiling Tools” inSun GlassFish Enterprise Server 2.1 Developer’s Guide
■For more details on the domain.xml file seeSun GlassFish Enterprise Server 2.1 Administration Reference.
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