=============== Oct 22, 2020 (KST) ===============
18:35:38.510250 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.526937 db@open opening
18:35:38.527373 version@stat F·[] S·0B[] Sc·[]
18:35:38.538242 db@janitor F·2 G·0
18:35:38.538317 db@open done T·11.348519ms
18:35:48.583809 db@close closing
18:35:48.584259 db@close done T·447.55µs
