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Chapter 6: The devel Module


This chapter will take a look at the contributed devel module, explaining its key importance in performance tuning a Drupal website. It will discuss the many configuration options, and explain how the module can be used to profile page loads.

  1. More Then A Development Tool
    1. Visualizing Slow Queries
    2. Timing Page Creation
    3. Page Elements Versus The Database
  2. Configuration
  3. Profiling Database Queries
    1. Identifying Slow Queries
    2. Identifying Duplicate Queries
    3. Common Queries and What They Mean