What are Magento 2 Indexes and How Do You Manage Them?
Rebecca shows you how to manually re-index the products on your Magento 2 site. Want more? Check out the complete Magento 2 Beginner class:
You will need to use the command line with a user that has permissions to write to the Magento file system.
magento indexer:reindex is the command you’ll need.
magento:indexer:info will give you an overview of everything you can update.
magento:indexer:status will give you the status of your indexes.
Taking a step back, what does Magento actually use indexes for? Magento has a very complex architecture and even it can’t look everywhere at once. To optimize the front-end loading of the site, the entire site isn’t indexed at once, but in pieces.