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解释 RETAIN_ON_CANCELLATION 为什么会留下历史 Checkpoint，如何通过 DolphinScheduler 安全清理，以及资源中心与 HDFS 显示不一致的原因。
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A practical infrastructure pattern to prevent Flink checkpoint misconfiguration in production.- Published on
以 Flink 1.18 为例，梳理 State、StateBackend、CheckpointStorage 以及 Checkpoint 核心参数之间的关系。- Published on
Kafka 4.2 makes Share Groups production-ready, giving Kafka a queue-like consumption model while preserving a clear boundary with Flink stateful stream processing.- Published on
以 OceanBase、CloudCanal、Kafka、Flink SQL 和 StarRocks 为例，说明如何将采集、传输、计算和查询解耦，构建一条可扩展、可回放的实时数仓链路。