Aug 2, 2022 · Fundamentals

Understanding the Chandy‑Lamport Distributed Snapshot Algorithm

This article explains the Chandy‑Lamport algorithm for capturing consistent global snapshots in distributed systems, describes its assumptions and message‑marker rules, walks through a detailed example with three processes and channels, and relates it to Apache Flink's asynchronous checkpoint mechanism.

Apache FlinkChandy-LamportDistributed Systems

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Understanding the Chandy‑Lamport Distributed Snapshot Algorithm

Big Data Technology & Architecture

Jul 24, 2019 · Fundamentals

Understanding the Chandy‑Lamport Distributed Snapshot Algorithm for Fault‑Tolerant Stream Processing

This article explains the Chandy‑Lamport distributed snapshot algorithm, its role in creating consistent global states for fault‑tolerant stream processing systems such as Spark Structured Streaming and Flink, detailing the algorithm’s workflow, examples, and its relevance to modern data‑flow architectures.

Chandy-Lamportsnapshot algorithm

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Understanding the Chandy‑Lamport Distributed Snapshot Algorithm for Fault‑Tolerant Stream Processing