mage clean

Clean caches and generated files. mage purge does the same.

mage clean
mage clean redis
mage purge opensearch

Without an option, or with all, it runs the options in MAGE_CLEAN_ALL, by default files, redis and varnish, see configuration. mage clean help lists the options.

Option	Does
`files`	Empties `generated/code`, `generated/metadata`, `pub/static`, `var/cache`, `var/composer_home`, `var/page_cache` and `var/view_preprocessed`. `pub/static/.htaccess` stays.
`redis`	Clears the Redis caches of this project
`varnish`	Bans all pages from Varnish, skipped when `varnishadm` is not installed
`opensearch`	Deletes the OpenSearch indices of this project, run a reindex afterwards
`sample-files`	Moves the `*.sample` files of the root to `dev/sample-files`
`logs`	Deletes the logs in `var/log`, not part of `all`

Redis

On your machine and with Valet, projects share one Redis. So redis only deletes the keys with the cache prefixes of this project, read from app/etc/env.php. With Warden and DDEV the Redis belongs to the project, so it is flushed as a whole.

On a shared Redis, prefer bin/magento cache:clean over cache:flush. Flushing empties the whole Redis database, so it also clears the cache of the other projects.

OpenSearch

The host, port and index prefix come from the Magento config. With Warden and DDEV the request runs inside the OpenSearch container.

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