Life beyond Distributed Transactions¶
Helland, P. (2007). Life beyond Distributed Transactions: an Apostate's Opinion. ACM SIGMOD Record, 36(2), 5-12.
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Primes¶
- Idempotence
- The essential commitment is that distributed and fault-prone systems cannot in general guarantee exactly-once execution, and that the practical robustness of such systems depends on making the operations they perform insensitive to repetition — either by mathematical structure (the operation naturally collapses repeated applications) or by engineered mechanism (deduplication via request IDs, conditional state checks, upserts, target-state convergence), as Helland (2007) argues across the distributed-transactions literature.
This source(Formalizes idempotency in distributed systems and message-once-only-effect semantics; contrasts with at-most-once delivery.)
- The essential commitment is that distributed and fault-prone systems cannot in general guarantee exactly-once execution, and that the practical robustness of such systems depends on making the operations they perform insensitive to repetition — either by mathematical structure (the operation naturally collapses repeated applications) or by engineered mechanism (deduplication via request IDs, conditional state checks, upserts, target-state convergence), as Helland (2007) argues across the distributed-transactions literature.
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