cleaning tags using Redis cache backend (https://github.com/colinmollenhour/Cm_Cache_Backend_Redis).
Usage: rediscli.php <args>
-s <server> - server address
-p <port> - server port
-v - show process status
-d <databases> - list of the databases, comma separated
Example: rediscli.php -s 127.0.0.1 -p 6379 -d 0,1
shows "map" of the cache interactively. "." indicates non-empty tag and + empty.