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  • Book Review: Learn Apache JMeter by Example

    by Victor Grazi on  Dec 06, 2016

    JMeter is an indispensable tool for testing load and functionality of multi-tiered applications comprised of web front ends, JVM servers and a wealth of NoSQL and relational databases. This book is the manual that should have been included to help surmount the learning curve.

  • On Abstractions and For-Each Performance in C#

    by Jonathan Allen on  Sep 29, 2016 2

    Donald Knuth famously said, “We should forget about small efficiencies, say about 97% of the time”. But when faced with the other 3%, it is good to know what’s going on behind the scenes. So in this article we’ll be taking a dive into the foreach loop.

  • Top 10 Performance Mistakes

    by Abel Avram on  Apr 24, 2016

    Martin Thompson, co-founder of LMAX, keynoted at QCon São Paulo 2016, outlining the top 10 performance related mistakes that he has encountered in production.

Diagnosing Common Database Performance Hotspots in our Java Code

Posted by Andreas Grabner and Harald Zeitlhofer on  Feb 16, 2016

Java performance issues are often attributable to bad database access patterns. In this article a top performance field engineer demonstrates his patterns for diagnosing database related issues.

Getting Started with Monitoring using Graphite

Posted by Franklin Angulo on  Jan 23, 2015

Setting up a new monitoring system might seem daunting at first. Franklin guides us through the first steps and explains the architecture and inner workings of a Graphite-based monitoring system. 4

The Fatal Flaw of Finalizers and Phantoms

Posted by Jason Greene on  Dec 02, 2014

Finalizers and PhantomReferences should not be depended on, but sometimes they are necessary. In this article we reveal how to contend with the many issues surrounding finalization in Java. 4

Tuning Java Servers

Posted by Srinath Perera on  Nov 24, 2014

With tens of thousands of production Java servers running in the enterprise, many engineers lack the skills to keep their servers greased. In this article InfoQ studies methods for tuning Java servers

Practical Cassandra: A Developer's Approach - Book Review and Interview

Posted by Srini Penchikala on  Aug 21, 2014

Practical Cassandra: A Developer's Approach book is a developer's guide to build applications using Cassandra NoSQL database. InfoQ spoke with authors about the book and data modeling in Cassandra.

Visualizing Java Garbage Collection

Posted by Ben Evans on  Dec 25, 2013

Garbage Collection takes minutes to learn and a lifetime to master. In this article Master trainer/consultant Ben Evans summarizes his recent InfoQ presentation "Visualizing Garbage Collection"

To Execution profile or to Memory Profile? That is the question.

Posted by Kirk Pepperdine on  Dec 04, 2013

Sometimes memory profiling is better than execution profiling for finding execution hot spots. In this article Kirk Pepperdine talks through some indicators for determining when to use which profiler 7

Tips for Tuning the Garbage First Garbage Collector

Posted by Monica Beckwith on  Sep 17, 2013

In July Monica Beckwith explored the theory of the new G1 GC Garbage First Garbage Collector. In this second installment, Monica delves into more practical aspects and provides guidance for tuning. 12

G1: One Garbage Collector To Rule Them All

Posted by Monica Beckwith on  Jul 15, 2013

Many articles describe how a poorly tuned garbage collector can bring an application's SLA to its knees. The G1 collector replaces the conventional algorithms with a concept of “regions” 4

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