=============== Oct 22, 2020 (KST) ===============
18:35:38.596883 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.613059 db@open opening
18:35:38.613493 version@stat F·[] S·0B[] Sc·[]
18:35:38.624134 db@janitor F·2 G·0
18:35:38.624164 db@open done T·11.073725ms
18:35:48.687413 db@close closing
18:35:48.687790 db@close done T·374.787µs
