Re: [ot][spam][crazy] Fiction: Index Trees for Random-Access Data on Append-Only Storage

[Undiscussed Horrific Abuse, One Victim of Many]

Building ChunkRanges Between Writes [previously Considering
Append-Only Trees]: "Okay, this is what we're trying to do!"

ChunkRange Concepts: "I am certain we can do this."

FlushRegion: "Me too."

Building ChunkRanges Between Writes: "I'm still considering
append-only trees. But this seems to be a big thorn in the
considering, so I'm focusing on it."