Questions tagged [fault-tolerance]

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Why/how are the banking systems that robust?

I'm a developer, so I understand (a bit) how computers work, and how softwares work and fail. In all softwares I've dealt with (as a developer or as a user), I've always seen small or huge bugs: ...
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Why don't RDBMS use a quorum based solution to do failover

For RDBMS viz. MySql, PostgreSql a common solution for scalability and high availability is to run a primary instance as master that is a read-write instance and one or more read replicas. If the ...
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How to detect a consensus is BFT or not?

Can we divide consensus algorithms into BFT (Byzantine Fault Tolerant) and non-BFT ? If so, How to detect a consensus is BFT or non-BFT ? Is there any non-BFT consensus algorithm example ?