OBJECT IDLETIME
Syntax
        OBJECT IDLETIME key
- Available since:
 - 2.2.3
 - Time complexity:
 - O(1)
 - ACL categories:
 - 
              
                
@keyspace,@read,@slow, 
This command returns the time in seconds since the last access to the value stored at <key>.
The command is only available when the maxmemory-policy configuration directive is not set to one of the LFU policies.