The depricated recent hit rate implementation was add from Origin as it
is still been used by external system.
Signed-off-by: Amnon Heiman <amnon@scylladb.com>
The CacheMetrics holds information per a specific Cache type (key, row
or counter)
It the clas was modified to use the API. The API definition can be found
in cache_service.json under metrics.
Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
