This appendix describes the memory usage for the JAX-WS engine in the Java heap area (machine on which Web Service is executed) using the following cases:

• Memory usage when the application starts
• Memory usage per request
• Memory usage per request when attachment is used
• Memory usage per unit time

Note that the default value is assumed for all the settings related to the JAX-WS engine. The memory usage explained hereafter includes the memory usage in the internal classes of the JAX-WS engine, the memory usage for Java API invoked by the internal classes and the amount of memory used in the internal implementation classes of JavaVM.

Furthermore, the JAX-WS engine-specific memory usage explained hereafter is a rough guideline. The memory usage in the actual system might differ slightly.

Organization of this section

C.1 Memory usage when the application starts

C.2 Memory usage per request

C.3 Memory usage per request when attachments are used

C.4 Calculating the memory usage per unit time