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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332 DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
8.3 Enterprise JavaBeans
In this section, we discuss EJB performance considerations as they apply to
accessing a DB2 database.
8.3.1 EJB performance considerations
From a database perspective, the following considerations apply.
EJB 2.0 module
In general, read-only methods and optimistic locking will provide better
performance. However, be careful with the use of optimistic locking since
problems may only become apparent under heavy load and hence may not be
found in development.
A common mistake is just using the default setting. This might cause
performance issues.
EJB 1.1 module
– Ensure that the
Isolation level attributes setting selection is based on the
minimal semantic ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.