"The protocol does not require any use of disk; instead it uses replicated state to provide persistence."
http://pmg.csail.mit.edu/papers/vr-revisited.pdf … "This paper presents... Viewstamped Replication, a replication technique that handles failures in which nodes crash."
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"When a replica recovers after a crash it cannot participate in [operations] until it has a state at least as recent as when it failed".
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Seriously, skim the VR Revisited paper, then read http://antirez.com/news/80 . These sorts of issues were solved *decades* ago.
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... and until your database authors stop making up homegrown replication and consensus protocols, you're going to *keep* seeing these bugs.
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@aphyr Can't you acknowledge that it was a user error? Redis doesn't reboot servers by itself. -
@soveran in what world does "fault tolerant" not cover a process restart? -
@aphyr You just twist facts to acomodate your agenda. - 5 more replies
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Why is VR is so ignored for consensus; good paper, imo. MT
@aphyr: http://pmg.csail.mit.edu/papers/vr-revisited.pdf … "This paper presents... Viewstamped Replication"Thanks. Twitter will use this to make your timeline better. UndoUndo
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