Pierre Hugues Charbonneau

Pierre-Hugues Charbonneau (nickname P-H) is working for CGI Inc. Canada for the last 10 years as a senior IT consultant. His primary area of expertise is Java EE, middleware & JVM technologies. He is a specialist in production system troubleshooting, root cause analysis, middleware, JVM tuning, scalability and capacity improvement; including internal processes improvement for IT support teams. P-H is the principal author at Java EE Support Patterns.

Core Java
Pierre Hugues CharbonneauJanuary 16th, 2013
0 25
QOTD: Java Thread vs. Java Heap Space
The following question is quite common and is related to OutOfMemoryError: unable to create new native thread problems during the…
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Enterprise Java
Pierre Hugues CharbonneauDecember 31st, 2012
1 145
Java Thread: retained memory analysis
This article will provide you with a tutorial allowing you to determine how much and where Java heap space is…
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Core Java
Pierre Hugues CharbonneauNovember 26th, 2012
2 112
Java Heap Dump: Are you up to the task?
If you are as much enthusiasm as I am on Java performance, heap dump analysis should not be a mystery…
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Core Java
Pierre Hugues CharbonneauNovember 20th, 2012
0 91
IBM AIX: Java process size monitoring
This article will provide you with a quick reference guide on how to calculate the Java process size memory footprint…
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Core Java
Pierre Hugues CharbonneauNovember 13th, 2012
1 1,026
java.lang.ClassNotFoundException: How to resolve
This article is intended for Java beginners currently facing java.lang.ClassNotFoundException challenges. It will provide you with an overview of this…
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Core Java
Pierre Hugues CharbonneauNovember 1st, 2012
0 135
Java deadlock troubleshooting and resolution
One of the great things about JavaOne annual conferences is the presentation of several technical and troubleshooting labs presented by…
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Core Java
Pierre Hugues CharbonneauOctober 8th, 2012
0 42
3 things Java developers should know
Here is an interesting article for those of should who have been following remotely the JavaOne 2012 conference. A recent…
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Enterprise Java
Pierre Hugues CharbonneauSeptember 30th, 2012
2 70
Log4j Thread Deadlock – A Case Study
This case study describes the complete root cause analysis and resolution of an Apache Log4j thread race problem affecting a…
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Core Java
Pierre Hugues CharbonneauSeptember 22nd, 2012
0 194
OutOfMemoryError: unable to create new native thread – Problem Demystified
As you may have seen from my previous tutorials and case studies , Java Heap Space OutOfMemoryError problems can be…
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Thank you!