#Kafka

2 posts in tag “Kafka”.

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  Exactly-Once in Streaming: What It Means and How Systems Achieve It

  2025-01-22

  Disentangle marketing from mechanisms: idempotence, transactions, and state snapshots behind ‘exactly-once’.

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  Streaming Systems: Apache Flink Checkpointing, Kafka Log Compaction, Watermarks and Event-Time Processing, and Exactly-Once Semantics

  2021-07-22

  A deep exploration of streaming systems — how Flink's distributed checkpointing provides exactly-once state consistency, how Kafka's log compaction enables durable event storage, and how watermarks solve the event-time vs processing-time dilemma.