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For years, the notion that Moodle “does not behave well” in large installations or is not flexible enough to take advantage of additional processing resources has managed to survive in forums and articles around the web.
In reality, time and again Moodle has shown itself capable of handling installations featuring hundreds of thousands of users accessing resources and performing changes simultaneously. The conclusion that always arises after looking into the details of a reported issue is that the code was not written with scale in mind. This is often due to inexperienced developers who fail to follow the extensive performance and scalability guidelines available online, starting with the Moodle documentation itself.
In reality, time and again Moodle has shown itself capable of handling installations featuring hundreds of thousands of users accessing resources and performing changes simultaneously. The conclusion that always arises after looking into the details of a reported issue is that the code was not written with scale in mind. This is often due to inexperienced developers who fail to follow the extensive performance and scalability guidelines available online, starting with the Moodle documentation itself.
Via Miloš Bajčetić
