List/Grid Tag Archives: Performance

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Java performance tuning survey results (part II)

This is a second post in series where we analyze the results of the performance tuning survey conducted in October 2014. If you have not read the first part yet, we recommend to start ...
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Java performance tuning survey results (part I)

We conducted a Java performance tuning survey during October 2014. The main goal of the survey was to gathering insight into Java performance world to improve the Plumbr product offering. ...
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Compounding double error

Overview In a previous article, I outlined why BigDecimal is not the answer most of the time. While it is possible to construct situations where double produces an error, it is also ...
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Top 5 Java Performance Tuning Books – Best of Lot, Must read

Why Java developer should read a book on Performance tuning? When I first faced this question long time back, I thought I will do it later, but I never get back to that for a long time. ...
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Locking and Logging

Plumbr has been known as the tool to tackle memory leaks. As little as two months ago we released GC optimization features. But we have not been sitting idle after this – for months ...
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Performance Tuning of Spring/Hibernate Applications

For most typical Spring/Hibernate enterprise applications, the application performance depends almost entirely on the performance of it’s persistence layer. This post will go ...
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ClassNotFoundException: is it slowing down your JVM?

Most Java developers are familiar with the infamous and very common java.lang.ClassNotFoundException. While the sources of this problem are generally well understood (missing classes/libraries ...
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How (NOT TO) measure latency

Latency is defined astime interval between the stimulation and responseand is a value which is of importance in many computer systems (financial systems, games, websites, etc). ...
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Caching best practices

Introduction There is an irresistible attraction to writing custom caching solutions, since it seems to be the easiest path to “improving” the overall application performance. Well, ...
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The regex that broke a server

I’ve never thought I would see an unresponsive server due to a bad regex matcher but that’s just happened to one of our services, yielding it it unresponsive. Let’s assume we ...
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