List/Grid Tag Archives: JVM

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But that’s impossible, or finding out that the JIT has broken your code.

Every now and then you look at some code and think that it cannot be possibly be wrong. Once you have ruled out a simple programmer screw up / enemy action in code (Make sure you read ...
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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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Revealing the length of Garbage Collection pauses

There are several ways to improve your product. One such way is to carefully track what your users are experiencing and improve based on that. We do apply this technique ourselves and ...
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Reducing the frequency of major GC pauses

This post will discuss a technique to reduce the burden garbage collection pauses put on the latency of your application. As I have written couple of years ago, disabling garbage collection ...
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Garbage Collection: increasing the throughput

The inspiration for this post came after stumbling upon “Pig in the Python” definition in the memory management glossary. Apparently, this term is used to explain the situation ...
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JVM PermGen – where art thou?

This post covers some basics of JVM memory structure and quickly peeks into PermGen to find out where it has disappeared since advent of Java SE 8. Bare Basics The JVM is just another ...
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Memory leaks – measuring frequency and severity

This post is part of our open culture – we continue sharing insights from our day-to-day work. This time we take a peek at the very core of our value proposition, namely – looking ...
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Garbage Collectors – Serial vs. Parallel vs. CMS vs. G1 (and what’s new in Java 8)

The 4 Java Garbage Collectors – How the Wrong Choice Dramatically Impacts Performance The year is 2014 and there are two things that still remain a mystery to most developers – ...
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Daemonizing JVM-based applications

Deployment architecture design is a vital part of any custom-built server-side application development project. Due to it’s significance, deployment architecture design should commence ...
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A little bit on the JVM and JIT

As you might be aware, the JVM (Java Virtusal Machine) is what makes it possible for Java to adhere to the write-once-run-anywhere paradigm. At its core, the JVM consists of the following ...
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