Replies: 2
NAME
wp redis
DESCRIPTION
Enables, disabled, flushes, and checks the status of the object cache.
SYNOPSIS
wp redis
SUBCOMMANDS
disable Disables the Redis object cache.
Description mentions flush
enable Enables the Redis object cache.
status Show the Redis object cache status and (when possible) client.
update-dropin Updates the Redis object cache drop-in.
There is actually no command listed (does it exist?) to flush the cache from WP CLI?