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5 tips for proper Java Heap size

Determination of proper Java Heap size for a production system is not a straightforward exercise. In my Java EE enterprise experience, I have seen multiple performance problem cases ...
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Native C/C++ Like Performance For Java Object Serialization

Do you ever wish you could turn a Java object into a stream of bytes as fast as it can be done in a native language like C++? If you use standard Java Serialization you could be disappointed ...
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Extending JMeter with a WS-Trust/STS sampler

JMeter does not have any inbuilt support for WS-Security or WS-Trust and that made me develop this STS Sampler for JMeter – which could make anyone’s life better while ...
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JSF Event-based communication: Old-school approach

Web applications written in JSF consist of beans which interact among each other. Communication between beans is one of the main design patterns when developing a web application. ...
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Extending JMeter with a password digest generator

Recently I had to work on loading an OpenLDAP instance with 50,000 user records and carry on some stress testing. JMeter was the best choice to populate the LDAP. ...
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JBoss BRMS 5.3 – adding on Business Activity Monitoring (BAM) Reporting

One of the most often asked question since the release of the JBoss BRMS 5.3 product which has added the jBPM 5 BPM component is that of Business Activity Monitoring (BAM) and Reporting ...
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Generational caching and Envers

Konrad recently shared on our company’s technical room an interesting article on how caching is done is a big polish social network, nk.pl. One of the central concepts in the algorithm ...
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Understanding the concept behind ThreadLocal

Intro I was aware of thread local but never had the occasion of really using it until recently. So I start digging a little bit on the subject because I needed an easy way of propagating ...
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Sorting Spring Data MongoDB collections using @OrderBy

This is already third post about tuning and enhancing Spring Data MongoDB capabilities. This time I found that I miss one JPA feature – @OrderBy annotation. @OrderBy specifies the ...
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JasperReports JSF Plugin Use Cases – Simple List Report

This is the first “use case article” of the JasperReports JSF Plugin Series and I will focus on a simple requirement and I will get deeper in further ones. The starting point is ...
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