=============== Oct 22, 2020 (KST) ===============
18:35:38.383620 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.400285 db@open opening
18:35:38.400726 version@stat F·[] S·0B[] Sc·[]
18:35:38.416838 db@janitor F·2 G·0
18:35:38.416891 db@open done T·16.56779ms
18:35:48.419165 db@close closing
18:35:48.419514 db@close done T·348.688µs
