Java
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MapReduce Algorithms – Secondary Sorting
We continue with our series on implementing MapReduce algorithms found in Data-Intensive Text Processing with MapReduce book. Other posts in…
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Hibernate Search 4.2 final released: spatial query supported
JBoss has announced the release of Hibernate Search 4.2 final. You may download it from Sourceforge or use the Maven…
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Garbage Collection Analysis of PCGen
Introduction I decided to combine two software loves of mine and perform some analysis on PCGen, a popular Java based…
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How many threads do I need?
It depends on your application. But for those who wish to have some insight about how to squeeze out most…
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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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@Cacheable overhead in Spring
Spring 3.1 introduced great caching abstraction layer. Finally we can abandon all home-grown aspects, decorators and code polluting our business…
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The Importance of Packages
I remember approximately 15 years ago when I started learning Java. I read a lot about this ‘package’ thing and…
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Gradle – A Maven perspective
As reader’s of my blog would know I am a bit of a Maven fanboy. I had started using Maven…
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Java heap space, native heap and memory problems
Recently, I was discussing with a friend, why the Java process uses more memory than the maximum heap that we…
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