Yes, as per MySQL documentation, using the command FLUSH HOSTS is deprecated. When FLUSH HOSTS is used, MySQL will clear the host cache, which effectively
Tag: Flush Hosts in MySQL
Flush hosts using MySQL and MySQLAdmin
When you use FLUSH HOSTS, MySQL will effectively imply that its record of which hosts are currently or recently connected is reset, allowing you to
Flush Hosts – MySQL
The FLUSH statement can be used to clean or reload various internal caches, flush tables, or acquire locks. Flush means reset. MySQL will clear the
Big Data & SQL 