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As promised, we have started the two new columns on performance tools this month, with articles on Steve Souza's JAMon and EJ-Technologies JProfiler. On the other hand, June seems to be holiday time at JavaPerformanceTuning.com, with both myself and Kirk taking some personal time. Consequently Kirk's column is on hold this month, as is my extracted tips section. But I've still listed the interesting performance related articles over the last month. And this month I list the largest number we've seen in one month, so last month's meagre offering was not indicative of a trend.

JavvaTheHutt did not take personal time this month, but on hearing that Kirk and I were shirking our columns, he tried to conform to present a united front. However, after a little cajoling from me, he decided to deliver his usual interesting thoughts on his latest websurfing, as well as his diary. Visit his column at Javva The Hutt

If you feel this newsletter could be useful to a friend, why not send them the URL. Note also that Yukio Andoh's Japanese translation will hopefully be available at http://www.hatena.org/JavaPerformanceTuning/ in a while.

A note from this newsletter's sponsor

Reminder to vendors and creators of performance tools

As part of our ongoing commitment to informing our readers about performance tools, JavaPerformanceTuning.com presents one commercial tool and one non-commercial tool each month. If you are a vendor or creator of such a tool, and would like to have your tool presented, please contact me from http://www.JavaPerformanceTuning.com/contactUs.shtml. But do please note that we work on a first-completed, first-published basis. There is already a queue of vendors and freeware authors creating submissions for this column, so if you want your tool to be presented in the near future, contact us sooner rather than later.

Tool reports

• Steve Souza's JAMon (Java Application Monitor) framework for monitoring applications. Suitable for production systems.
• EJ-Technologies' jprofiler profiler.

News

Java performance tuning related news.

• Stress-free Java (because I love my profiler).
• New BEA ECperf results aimed at performance rather than cost.
• Report on Intel's VTune Analyzer.
• JSR 77 (J2EE Management Specificcation) includes support for performance monitoring.
• Getting Started with WebSphere Performance Benchmark Sample on Windows 2000.
• Numeric computation in Java, including some performance analysis.

Tools

• Velocitop's Catapult JDBC performance analyzer and optimizer.
• Article detailing a bit stream class, for saving space when dealing with bits.
• JNetSim, Java network simulator for analyzing Java network communications.
• Sebastiano Vigna's fastUtil. Type-specialized hash maps and sets with a small memory footprint faster access and insertion.
• Java GUI testing utility.
• Fast XML parser.
• Tracing classloader.

Recent Articles

• JDBC Transaction Optimization (Jack Shirazi/Oracle Developer)
• Scalable recoverable applications (Billy Newport/TheServerSide)
• Improving J2EE performance (Scott Marlow/TheServerSide)
• Reducing garbage collection frequency (Iain Lewis/IBM)
• Guidelines for transaction demarcation and isolation (Brian Goetz/IBM)
• Reducing JDBC overheads (Ryan Daigle/Javaworld)
• Handling large files (Serguei Eremenko/Builder.com)
• DataListHandler pattern (Claudio Fratarcangeli/TheServerSide)
• Metrics to collect (Kevin Brown/Builder.com)
• J2EE design patterns (Walter Hurst/Javaworld)
• A quick-and-dirty XML parser (Steven Brandt/JavaWorld)
• Garbag collection tuning (Nagendra Nagarajayya,J. Steven Mayer/Wireless Developer)
• Trove fast collections (Dion Almaer/OnJava)
• Double-checked locking (Peter Haggar/IBM)
• Java optimization (Erwin Vervaet,Maarten De Cock/IBM)
• Optimizing (Chris Preimesberger/DevX)
• Clustering WebSphere (Rohit Sahasrabudhe,Balu Ramachandran/IBM)
• CharSequence and Buffers (Glen McCluskey/Sun)
• Swing Timers (John Zukowski/Sun)
• Wireless Software Design (Qusay H. Mahmoud,Nicholas Lorain/Wireless Developer)
• Sun Community chat on Java BluePrints (Edward Ort/Sun)
• NIO (Hendrik Schreiber/JavaDevelopersJournal)
• JDBC 3.0 (John Goodson/JavaDevelopersJournal)
• Caching design (Sam Pullara/BEA)
• BMP or CMP? (Tyler Jewell/BEA)
• Scaling Your Messaging Infrastructure (Sriram Chakravarthy,Hemen Godbole/MessageMQ)
• Enterprise Caching Solutions (SpiritSoft/MessageMQ)
• Implementing a Data Cache (Billy Newport/TheServerSide)

Jack Shirazi

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