December 2002
Intermediate to advanced
556 pages
12h 29m
English
book
IBM WebSphere V5.0 Security: WebSphere Handbook Series
by Peter Kovari, Derek Carpenter, Paul Creswick, Piotr Kisielewicz, Floyd Langley, David Leigh, Rao Maheshwar, Stephen Pipes
Content preview from IBM WebSphere V5.0 Security: WebSphere Handbook Series
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9.3. Performance considerations
From a performance point of view, there are few things to consider when designing a secure solution.
The authorization process brings an additional load to the application server. In a distributed environment, the authorization server should be put onto a separate machine in order to offload application processing. The following three settings can help to fine-tune the security related configurations to enhance performance.
Security Cache Timeout
This is set to indicate how long WebSphere should cache information related to permission and security credentials. When the cache timeout expires, all cached information becomes invalid. Subsequent requests for the information result in a database lookup. Sometimes, acquiring ...
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