Performance

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Unexpected Java Float Precision Changes

I ran across a little gotcha today where a float value being inserted into another object container (JSONObject) was not holding the precision of the...

3 replies - 3836 views - 10/14/12 by Mick Knutson in Articles

Multi-Mechanize: An Open-Source Framework for Performance and Load Testing

I put together a slide-deck to help introduce Multi-Mechanize. I wanted something a little friendlier and easier to digest than "go read the...

0 replies - 4072 views - 10/11/12 by Corey Goldberg in Articles

How Good Programmers Get It Done

Their is no magical elixir, mobster payoff, or performance enhancing drug that makes a good programmer. Developers come from all walks of life. Some have...

0 replies - 7113 views - 10/10/12 by Zac Gery in Articles

Two of My Favorite Javascript Design Patterns

The content of this article was originally written by David Morrow over at the New Relic blog. So you write JavaScript. That’s pretty much a given for...

0 replies - 5922 views - 10/10/12 by Leigh Shevchik in Articles

Cluster Computing with Node.js

A single instance of Node runs in a single thread. To take advantage of multi-core systems we may want to launch a cluster of Node processes to handle the...

0 replies - 6948 views - 10/09/12 by Hemanth Madhavarao in Articles

How to Accurately Measure Writes in InnoDB Redo Logs

Curator's Note: This article was originally written by Stephane Combaudon at the MySQL Performance Blog (linked below). Choosing a good InnoDB log file...

0 replies - 2475 views - 10/09/12 by Peter Zaitsev in Articles

JavaOne 2012: Diagnosing Your Application on the JVM

It was worth attending Staffan Larsen's (Oracle Java Serviceability Architect) presentation "Diagnosing Your Application on the JVM" (Hilton Plaza...

0 replies - 2476 views - 10/04/12 by Dustin Marx in Articles

Can You Get By Without Estimating, and Should You Try?

Estimating remains one of the hardest problems in software development. So hard in fact that more people lately are advocating that we shouldn’t bother...

0 replies - 2948 views - 10/03/12 by Jim Bird in Articles

Caching for Fun and Profit. Or, Why Would You Ever Cache a Page for 5 Seconds?

There are a lot of ways to cache data. You can cache a piece of data, a query, a page fragment, an entire page, or an entire website. You can cache...

0 replies - 5444 views - 10/03/12 by Dan Wilson in Articles

The Pitfalls of Cut-and-Paste Coding

We’ve all been guilty of it at one time or another. When starting out with a language or framework that you’ve never used before, you often...

0 replies - 3683 views - 10/03/12 by Douglas Rathbone in Articles

Understanding Logging in the Cloud

I recently read an interesting pair of articles about Application Logging in OpenShift. While these are great articles on how to use log4j and Apache Commons...

0 replies - 5835 views - 09/30/12 by Paul Fremantle in Articles

New High-Performance Provisioned IOPS Storage for Amazon RDS

Today AWS announced that it is extending the provisioned IOPS concept already available for EBS volumes to RDS instances. So just like with EBS volumes you...

0 replies - 2077 views - 09/30/12 by Craig Dickson in Articles

Testing the Client Side of RESTful Services (Without Using Mocks)

People tell me A and B, They tell me how I have to see, Things that I have seen already clear, So they push me then from side to side (I Want Out -...

0 replies - 3892 views - 09/28/12 by Alex Soto in Articles

Playing Around with SQLIO for Testing an IO Subsystem

Over the past few evenings, I’ve been playing with SQLIO, to get an idea of how SSD compares to a couple of servers (one quite old, one a bit newer) that...

0 replies - 3358 views - 09/28/12 by Nick Haslam in Articles

High Performance Computing and CloudStack

Curator's note: This post was originally authored by Sebastien Goasguen. I was asked the other day what was the connection between High Performance...

0 replies - 3055 views - 09/27/12 by Build A Cloud in Articles