% Hit Ratio is backwards (shows % miss ratio)

[ianrose14]

is

"expr": "sum (memcached_commands_total{instance=~\"$node\", status=\"miss\"})  / sum (memcached_commands_total{instance=~\"$node\"}) "

should be

"expr": "sum (memcached_commands_total{instance=~\"$node\", status=\"hit\"})  / sum (memcached_commands_total{instance=~\"$node\"}) "