Charles Chen

BigData Development Engineer

Engineer and consultant focused on distributed systems, real-time data, and AI-driven data processing.

What I do

[PLACEHOLDER] Architecture and tuning for systems that stay fast and correct under real-world load.

[PLACEHOLDER] Streaming pipelines and storage layers built for low latency and high throughput.

[PLACEHOLDER] Data platforms and pipelines that put LLMs and ML to work on production data.

Published on
August 27, 2026
Flink Checkpoint 生命周期管理：从 HDFS 清理到 DolphinScheduler 资源一致性
Flink Checkpoint DolphinScheduler HDFS 运维
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。
Published on
August 14, 2026
Protecting Checkpoint Storage Configuration
flink checkpoint infrastructure defensive-programming distributed-storage
A practical infrastructure pattern to prevent Flink checkpoint misconfiguration in production.
Published on
August 9, 2026
Flink 1.18 Checkpoint Essentials
Flink Checkpoint State Stream-Processing Fault-Tolerance
以 Flink 1.18 为例，梳理 State、StateBackend、CheckpointStorage 以及 Checkpoint 核心参数之间的关系。

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