Load Testing Blog

Drupal: Caching and Database Scalability

Note: This is Part 4 of an ongoing series on Drupal performance and load testing. If you haven’t already, read the introduction.
Summary
We measured Drupal’s performance with respect to database size, demonstrating flat performance regardless of the size of the database.  We also got some good data demonstrating Drupal’s behavior with caching.
Procedure
We re-created our previous test platform: a stock Drupal installation on an Amazon Elastic Cloud m1.large instance with both the Alternative PHP Cache (APC) and Drupal’s built-in caching capabilities.  In this test, however, instead of scaling the number of … Continue reading »

aiCache and Drupal: A Case Study

Note: This is Part 3 of an ongoing series on Drupal performance and load testing. If you haven’t already, read the introduction.

Optimizing Drupal: From Baseline Drupal to the Pantheon Drupal Platform

Note: This is Part 2 of an ongoing series on Drupal performance and load testing. If you haven’t already, read the introduction.
Summary
We measured Drupal’s performance with a naive and recommended configuration, and again using the Pantheon Drupal Platform, demonstrating a better than 15x improvement in performance.
Procedure
We created a Drupal installation on the Amazon Elastic Cloud, which allows us to start and customize Drupal in a matter of minutes.  For these tests we used Amazon’s “Large” 64bit instance, which corresponds roughly to a dual-core machine … Continue reading »

Load Testing Drupal: Introduction

At Web Performance, we’re all about measuring and optimizing web applications.  This quarter we decided to test a variety of Drupal configurations, starting with the most basic (unpack the drupal tarball into /var/www and run) and collecting benchmarks with increasingly sophisticated systems using optimized LAMP stacks and even a dual-server caching configuration.
For our test scenario, we imagined that we had just started a small drupal-based blog when a popular website linked to one of our stories and directed massive traffic onto our server. These visitors read stories, followed interesting links, … Continue reading »

Load Tester™ Gives Nacon Consulting a 5x Performance Boost

NACON Consulting, provider of cyber security training solutions for the defense community, was aware of the concurrent user limitations of their online learning management system. In preparation for a major version release for an important client, COO Kent Leonard told his team that he wanted to see an improvement in performance, with documented proof that the system could not only handle the client’s required user load, but exceed it. “In my eighteen years of experience in IT development, I’ve found that testing is typically not as robust … Continue reading »

Microsoft Affirms the Importance of Web Performance

No, Microsoft has not admitted that our load testing solution is superior…yet. We anticipate that announcement any day now :>
At last year’s Velocity conference, Microsoft’s Eric Schurman (working on Bing optimization) presented results of tests that Microsoft ran to measure the business impact of the performance of Bing, Microsoft’s newest search platform. Using an A-to-B test platform that directs a subset of their users to a dedicated testing system, they are able to directly observe the effect of specific changes to the performance of the Bing test site. They … Continue reading »

For Bell Canada, Early Performance Testing Spells Success

When Bell Canada began development of an important new customer-facing application, project lead Mr. Roger Bejjani knew he needed to find a web testing tool that would help fine-tune performance throughout the development process and into production. Having used Empirix (purchased by Oracle) and Load Runner (purchased by HP)in the past, he decided to forgo overpriced software and look for a tool that would give him the functionality he needed at a more reasonable price. The main requirement would be load testing HTTP and HTTPS requests, and the … Continue reading »

Case study: Lenox Finds a Baseline in the Cloud

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For Lenox, makers of fine china and crystal, e-commerce has been an important aspect of the business for over ten years. When Lynch needed to test the Lenox website user capacity on short notice, Load Tester was the right tool for the job. It offered the features and flexibility to build complex, realistic test cases and identify performance bottlenecks. Read more about their experience.

Interview with Lawrence Nuanez of ProtoTest

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ProtoTest, provider of consulting services in specialized software quality and test projects, uses Load Tester to help their clients determine how many users their websites can handle. I spoke with Lawrence Nuanez, Senior Consultant, to find out more.

Push-button load testing inside the cloud means success for eArcu

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Push-button load testing inside the cloud means success for eArcu

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