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Diagnosing Common Database Performance Hotspots in our Java Code

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.

Andreas Grabner Harald Zeitlhofer
on Feb 16, 2016
Getting Started with Monitoring using Graphite

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. Key takeaways are understanding time series data and configuration, datapoint formats, aggregation methods and retention.

Franklin Angulo
on Jan 23, 2015
The Fatal Flaw of Finalizers and Phantoms

Most developers know that finalizers should not be depended on, but sometimes they are necessary. PhantomReferences, often cited as a good alternative, also suffer from the same fundamental problems. In this article we reveal how to contend with the many issues surrounding finalization in Java.

Jason Greene
on Dec 02, 2014
Tuning Java Servers

With tens of thousands of Java servers running in production in the enterprise, many engineers still lack the skills to keep their Java servers greased. In this article InfoQ takes a look at basic techniques for tuning Java servers.

Srinath Perera
on Nov 24, 2014
Practical Cassandra: A Developer's Approach - Book Review and Interview

Practical Cassandra: A Developer's Approach book by Russell Bradberry and Eric Lubow, is a developer's guide to build applications using Cassandra NoSQL database. InfoQ spoke with the authors about the book, Cassandra data model, design considerations and how Cassandra performs concurrency and versioning of the data sets.

Srini Penchikala
on Aug 21, 2014
Visualizing Java Garbage Collection

Garbage Collection, like Backgammon 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" where he discusses Garbage Collection from the ground up.

Ben Evans
on Dec 25, 2013
To Execution profile or to Memory Profile? That is the question.

There are times when memory profiling will provide a clearer picture than execution profiling to find execution hot spots. In this article Kirk Pepperdine talks through some indicators for determining when to use which kind of profiler.

Kirk Pepperdine
on Dec 04, 2013
Java

Tips for Tuning the Garbage First Garbage Collector

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.

Monica Beckwith
on Sep 17, 2013
Java

G1: One Garbage Collector To Rule Them All

Many articles describe how a poorly tuned garbage collector can bring an application's SLA commitments to its knees. Oracle's new G1 Collector in HotSpot moves away from the conventional GC model, where a Java heap splits into (contiguous) young and old generations, and instead introduces the concept of “regions”, for a generally more performant and manageable GC.

Monica Beckwith
on Jul 15, 2013
Virtual Panel: Performance Tuning Face-Off

In the world of application delivery, performance tuning still seems to elude the mainstream. InfoQ spoke to five luminaries of the performance monitoring space about why and what can be done. The result was quite an active debate. Members of the virtual panel: • Ben Evans • Charlie Hunt • Kirk Pepperdine • Martin Thompson • Monica Beckwith

Victor Grazi
on Jun 25, 2013
Benchmarking JVM Concurrency Options for Java, Scala and Akka

Michael Slinn examines how to benchmark JVM concurrency options for JVM-based langauges including Java and Scala.

Michael Slinn
on Apr 26, 2012
Book on Solving Enterprise Applications Performance Puzzles by Leonid Grinshpan

Performance is one of the most critical attributes for enterprise applications. Even though not mentioned explicitly, properties such as response time or throughput are key issues that decide about user acceptance.Leonid Grinshpan, PhD and Consulting Director at Oracle Corporation, has dedicated his book "Solving Enterprise Applications Performance Puzzles" to this topic.

Michael Stal
on Feb 29, 2012

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