WordPress Vertical Scalability Part I: How Performance Varies with Changes in Hardware

How does your web application respond to improvements in the underlying hardware? Well, that will depend a lot on your application. Different applications are limited by different factors such as RAM, CPU, bandwidth, disk speed to name a few. In this article, I'll show you an approach to finding out how to test your way to understanding how your application consumes resources.

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Server Metrics Tutorial

Here at Load Impact, we’re constantly developing new features to help make our load testing tool even more powerful and easy to use. Our latest feature, Server Metrics, now makes it possible for you to measure performance metrics from your own servers and integrate these metrics with the graphs generated from your Load Impact test. This makes it much easier for you to correlate data from your servers with test result data, while helping you identify the reasons behind possible performance problems in your site. We do this by installing agents on your servers in order to grab server metrics data, which we can later insert into the results graph.

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