=============== Feb 25, 2021 (KST) ===============
16:39:37.535038 log@legend F·NumFile S·FileSize N·Entry C·BadEntry B·BadBlock Ke·KeyError D·DroppedEntry L·Level Q·SeqNum T·TimeElapsed
16:39:37.582002 db@open opening
16:39:37.582814 version@stat F·[] S·0B[] Sc·[]
16:39:37.631556 db@janitor F·2 G·0
16:39:37.631681 db@open done T·49.441605ms
16:39:47.704996 db@close closing
16:39:47.705426 db@close done T·427.974µs
