=============== Oct 22, 2020 (KST) ===============
18:35:38.481701 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.498161 db@open opening
18:35:38.498595 version@stat F·[] S·0B[] Sc·[]
18:35:38.509187 db@janitor F·2 G·0
18:35:38.509223 db@open done T·11.031236ms
18:35:48.551573 db@close closing
18:35:48.551976 db@close done T·400.25µs
