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Load Testing Blog

Showing posts tagged “scalability”

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.
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.
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 simultaneous users, we instead held the test at 400 … Continue reading »

Designing for Scalability

I ran across this article yesterday. It is nearly two years old, but the content is still entirely relevant. If you are building a system that needs to scale out to handle a large load, then you’ve probably already read this or something similar…if not, then it is worth your time.
What is the relevance to Load Testing, you ask? In section 5 author, Simon Brown, says”
“… set measurable goals throughout the system, verify and measure the real performance and consider performance at all stages of the project.”
For a project manager, a key part of the job is reducing risk … Continue reading »


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