=============== Feb 25, 2021 (KST) ===============
16:39:38.417439 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
16:39:38.466256 db@open opening
16:39:38.467267 version@stat F·[] S·0B[] Sc·[]
16:39:38.493664 db@janitor F·2 G·0
16:39:38.493748 db@open done T·27.41578ms
16:39:49.394936 db@close closing
16:39:49.395289 db@close done T·350.889µs
