Importing WooCommerce products is slow

Problem

Importing products in bulk, for example, using WooCommerce's CSV importer, is slow when WP Rocket is activated

This can also happen when importing data into other content types with a plugin like WP All Import, or similar.

Cause

When the content on your site is updated, WP Rocket will perform some cache purging. So if you import a lot of data that triggers posts/products etc to be updated, the cache purging will be triggered frequently. Additionally, if you have enabled preloading, this will also be triggered.

This can lead to slowness, causing the import to take longer.

Solution

Automatic cache purging can be disabled.