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by mehrdadn
2694 days ago
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> The two phases in the ATM scenario would be, > Phase 1 ATM Request to withdraw funds secures a lock > Phase 2 Gets the all clear, writes the new balance to the ledger, distributes funds. > Anything trying to modify the ledger at that same time should be blocked for the short time it takes to process the transaction. So you're saying 2PC is basically just "acquire a lock... do two things... release lock"? |
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Once you get into implementation detail you have to deal with a heap of failure modes which is what the article is complaining about in the premise.
What I don't really understand is how their solution isn't basically just sharding (in some form.)