skip_key_max_idle:

unused key time-out 

skip_key_max_bytes:

maximum bytes to encrypt 

skip_encrypt_keys_active:

encrypt keys in cache 

skip_decrypt_keys_active:

decrypt keys in cache 

skip_key_lookups:

key cache lookups 

skip_keymgr_requests:

key cache misses 

skip_key_reclaims:

cache entries reclaimed 

skip_hash_collisions:

hash table collisions