=============== Oct 22, 2020 (KST) ===============
18:35:38.265293 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.282074 db@open opening
18:35:38.282596 version@stat F·[] S·0B[] Sc·[]
18:35:38.298872 db@janitor F·2 G·0
18:35:38.298905 db@open done T·16.801728ms
18:35:48.288540 db@close closing
18:35:48.288614 db@close done T·73.206µs
