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simbo1905’s ramblings about computers

Month: May, 2020

One More Frown Please? (UPaxos Quorum Overlaps)

There was some discussion around UPaxos safety on a gist where Dave Turner was kind enough to clarify a confusion of mine. I had said that we needed an overlap between prepare quorums to avoid a split-brain. This was incorrect and I am greatful for Dave for correcting my misunderstanding. Yet there was something about not having that overlap that was bugging me… This morning I had an “Aha!” moment: if it exists then Trex will perform an optimisation. Yet in Trex this overlap is not enforced.

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Blockchain for Finance is Bollocks

Blockchain was invented in 2008 and folks have claimed that it might be the most important invention since the internet. I have worked at a number of companies and organizations and seen them throw millions of dollars at ”doing Blockchain”. I am familiar with multiple attempts to use block in banking and insurance. All of the time and money invested were wasted. I am going to call it: Blockchain for Finance is bollocks.

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