Drupal utilizes caching to store plugin definitions, routes, and so on. When you add a new plugin definition or a new route, you need to rebuild Drupal's cache for it to be recognized.
Rebuilding the cache over the command line is also more performant than using the user interface since it does not use web server resources to execute the cache rebuild.
In this recipe, we will walk you through using both Drush and Drupal Console to clear various cache bins in Drupal. It is important to know how to clear specific cache bins so that you do not need to rebuild everything, if possible.
