Barcelona is one of the most cosmopolitan cities in Europe and we want to infer the same spirit for the Coding and Development track. This is an exciting moment in the web development industry and we plan to take advantage of that. The DrupalCon Barcelona Coding and Development track is focused on preparing developers for the future of the web development universe.
Any morning starting with DrupalTour journey is great ;) Especially if the point of destination is only 70km away. This time we visited Rivne, welcome on board!
We decided to slightly change the concept of the event. It’s much more convenient to communicate with visitors in calm atmosphere of conference halls — we all can concentrate purely on reports and questions.
A problem we hear about quite often is a huge cache_form table. Drupal by default caches all form data (typically for 6 hours). During peak traffic times, that can be a lot of form data being cached. When the form cache is cleared during Drupal's cron, the following DELETE query is used:
DELETE FROM cache_form WHERE (expire <> 0) AND (expire < UNIX_TIMESTAMP(NOW()));
However, InnoDB does not release disk space back to the file system on DELETE queries, and that can easily lead to a very large .ibd file for that table.
The three most common "fixes" we see being discussed are: