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Sun GlassFish Enterprise Server v3 Administration Guide |
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1. Overview of Enterprise Server Administration
Default Settings and Locations
Instructions for Administering Enterprise Server
4. Administering the Virtual Machine for the Java Platform
6. Administering Web Applications
7. Administering the Logging Service
8. Administering the Monitoring Service
9. Administering Life Cycle Modules
10. Extending Enterprise Server
Part II Security Administration
11. Administering System Security
12. Administering User Security
13. Administering Message Security
Part III Resources and Services Administration
14. Administering Database Connectivity
15. Administering EIS Connectivity
16. Administering Internet Connectivity
17. Administering the Object Request Broker (ORB)
18. Administering the JavaMail Service
19. Administering the Java Message Service (JMS)
20. Administering the Java Naming and Directory Interface (JNDI) Service
21. Administering Transactions
The Virtual Machine for the Java platform (Java Virtual Machine) or JVM machine) can support many threads of execution simultaneously. To help performance, Enterprise Server maintains one or more thread pools. It is possible to assign specific thread pools to connector modules, to network listeners, or to the Object Request Broker (ORB).
One thread pool can serve multiple connector modules and enterprise beans. Request threads handle user requests for application components. When Enterprise Server receives a request, it assigns the request to a free thread from the thread pool. The thread executes the client's requests and returns results. For example, if the request needs to use a system resource that is currently busy, the thread waits until that resource is free before allowing the request to use that resource.
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