=============== Oct 22, 2020 (KST) ===============
18:35:38.299628 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.316282 db@open opening
18:35:38.316842 version@stat F·[] S·0B[] Sc·[]
18:35:38.327023 db@janitor F·2 G·0
18:35:38.327062 db@open done T·10.593652ms
18:35:48.319597 db@close closing
18:35:48.319945 db@close done T·345.92µs
