db_engine,operation,rate
lmdb,delete,266.79
lmdb,get,1200.51
lmdb,put,400
lmdb,stat,800
sled,delete,129.83
sled,get,584.32
sled,put,194.81
sled,stat,389.52
sqlite,delete,1.29
sqlite,get,5.75
sqlite,put,1.93
sqlite,stat,3.86
sled-nosync,delete,161.98
sled-nosync,get,729.07
sled-nosync,put,242.99
sled-nosync,stat,486.09
