=============== Oct 22, 2020 (KST) ===============
18:35:38.658688 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.675316 db@open opening
18:35:38.675755 version@stat F·[] S·0B[] Sc·[]
18:35:38.691887 db@janitor F·2 G·0
18:35:38.691918 db@open done T·16.567973ms
18:35:48.750116 db@close closing
18:35:48.750537 db@close done T·418.813µs
