=============== Oct 22, 2020 (KST) ===============
18:35:38.446978 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.463971 db@open opening
18:35:38.464495 version@stat F·[] S·0B[] Sc·[]
18:35:38.481017 db@janitor F·2 G·0
18:35:38.481079 db@open done T·17.079625ms
18:35:48.519128 db@close closing
18:35:48.519739 db@close done T·599.524µs
