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  • .NET

    On Abstractions and For-Each Performance in C#

    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.

    Jonathan Allen
    on Sep 29, 2016
  • Development

    Top 10 Performance Mistakes

    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.

    Abel Avram
    on Apr 24, 2016
  • Java

    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
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