=============== Feb 25, 2021 (KST) ===============
16:39:38.083195 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
16:39:38.132113 db@open opening
16:39:38.132866 version@stat F·[] S·0B[] Sc·[]
16:39:38.159665 db@janitor F·2 G·0
16:39:38.159752 db@open done T·27.579854ms
16:39:48.596685 db@close closing
16:39:48.597020 db@close done T·333.359µs
