029: principle 2 passed its breaking experiment (046), written with what it showed against its own words: identity (233 samples and the ends of 100,000 and 200,000 messages: 0 bytes differ), taking over (70 kill -9s, all open with every message done), torn tails (867 op boundaries opened, 568 within cuts); "every write a save makes is a self-delimiting, self-verifying extent" false as written (zeros ahead, installs by rename under process-numbered names, directory syncs, 8 MB segments taken): file operations shipped, still no replication layer (the store's own ops cut at its own syncs, heard the ack); the price on tmpfs (204 to 400 us, 903 B a message, 42% zeros the follower could make); what was not tried (a follower started again and heard from its files, pure-serve's checkpoint thread, a real medium and two machines, a segment let go, asynchronous, choosing the owner)

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