=============== Oct 22, 2020 (KST) ===============
18:35:38.236292 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
18:35:38.253191 db@open opening
18:35:38.253695 version@stat F·[] S·0B[] Sc·[]
18:35:38.264325 db@janitor F·2 G·0
18:35:38.264379 db@open done T·11.157998ms
18:35:48.258308 db@close closing
18:35:48.258408 db@close done T·98.572µs
