=============== Feb 25, 2021 (KST) ===============
16:39:38.239517 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
16:39:38.287953 db@open opening
16:39:38.288967 version@stat F·[] S·0B[] Sc·[]
16:39:38.315652 db@janitor F·2 G·0
16:39:38.315740 db@open done T·27.696028ms
16:39:48.975061 db@close closing
16:39:48.975548 db@close done T·482.15µs
