Bitcask — pick a scenario
0/3 donePick one and press Start, then click Next › to step through it.
Watch forThe keydir's arrow snapping onto each record the instant it's written.
More about this scenario
You'll learnA read costs one lookup plus one seek — no scan, however big the file gets.
How it runsEach write appends a record to the end of the file and repoints the keydir; a read finds the key in the keydir and seeks once to fetch it.