In this chapter, we're going to use the Devel module to monitor performance on our Drupal site to assist us in locating bottlenecks. The Devel module can be used to quickly gather detailed information on your site's theme elements, monitor your site's page loads and database queries, generate test content for your site, and give you easy methods for clearing your site's theme registry and performance cache. It's an essential tool for the performance-minded Drupal developer. We're also going to look more closely at how your site logs access entries and how you can view your log entries to troubleshoot performance issues.
Our focus in this chapter will be on using the Devel module to monitor performance. The module logs performance issues, such as page load times and memory usage, which allows you as a developer to find issues quickly and troubleshoot. In this chapter, we'll learn how to enable detailed and summarized performance logging on our...