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Showing 1 to 2 of 2 for “"Exactly-once Semantics"”.
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Idempotent distributed counters using a Forgetful Bloom Filter
… implementations of counters do not provide exactly-once semantics. A typical scenario is that a client requests a counter increment, times out waiting for a response, and creates a duplicate request, thus resulting in a double increment on the server side. In this thesis, we address this …
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Scalable fault tolerance for high-performance streaming dataflow
… how to replay a valid execution while ensuring exactly-once semantics is a small, constant-size tree clock piggybacked onto each message, incurring runtime overheads that are low and scalable. After recovery, the state of the system is indistinguishable from one that never failed at all. We …