March 2004
Intermediate to advanced
440 pages
11h 46m
English
book
DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
by Whei-Jen Chen, Peter Z He, Kang Yong Ying, Andreas Paulsen, Sunminder S Saini
Content preview from DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
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194 DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
Queues may either be closed or open:
A
closed queue allows the administrator to limit the maximum number of
requests active in that queue.
A
closed queue allows system resources to be tightly managed. For example,
the Web container's
Max Connections setting controls the size of the Web
container thread pool. If the average servlet running in the Web container
creates 10 MB of objects during each request, then setting
Max Connections
to 100 would limit the memory consumed by the Web container to
approximately 1 GB. Hence, closed queues typically allow the system
administrators to manage their applications more effectively and robustly.
In a
closed queue, a request can b ...
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