=============== Feb 25, 2021 (KST) ===============
16:39:37.633337 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
16:39:37.682325 db@open opening
16:39:37.683309 version@stat F·[] S·0B[] Sc·[]
16:39:37.709546 db@janitor F·2 G·0
16:39:37.709628 db@open done T·27.218081ms
16:39:47.909171 db@close closing
16:39:47.909606 db@close done T·432.237µs
