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News September 2006

Get rid of your performance problems and memory leaks!

Modern Garbage Collection Tuning
Shows tuning flow chart for GC tuning

Java Performance Training Courses
COURSES AVAILABLE NOW. We can provide training courses to handle all your Java performance needs

Java Performance Tuning, 2nd ed
The classic and most comprehensive book on tuning Java

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I need help. No, that's not a comment on my state of mind. I need two Java performance engineers to work with me. This is a great opportunity to work in Java performance at a top tier global investment bank on a contract basis (initial 6 month contract, market rates), in a fun environment with challenging tasks. One opening is in London (in the city), the other in Stamford, Connecticut (about 40 mins commute from NY). The project is a live complex trading system with many different types of Java processes and tight time contraints. Part of the role involves troubleshooting - apart from the standard issue that performance bugs can be difficult to track down, the system strains the JVM and has a tendency to expose JVM bugs and the performance team are usually best placed to identify these.

Ideally you will have used a Java profiler; had experience of tuning code; and of tuning a JVM; monitored a JVM at the Java level and at the OS level on Windows and Unix; and know your way around thread stack traces in a highly concurrent environment (you'll have seen and diagnosed deadlocks, livelocks/wait leaks, other concurrency issues); understand JDBC/SQL profiling; and had some capacity management experience. (Of course, I don't expect ideal, good enough is fine.)

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If you are interested in these openings, please send your CV to (for the London opening) or (for the Stamford opening) where it will get prompt attention. Please note these openings require you to already have the requisite permission to work in the location (UK/USA), so please don't apply if you don't have that working permit.

Javva the Hutt is back, telling us all about what he was doing while he was away. For those of you who don't know Javva, or want a reminder, we've added a page for you to access all his old columns here. Now read on for our other news, this months selected articles (don't miss these, every one is a gem), tools, and of course our many new extracted performance tips

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A note from this newsletter's sponsor

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Jack Shirazi

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Last Updated: 2023-09-28
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