有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery Unaligned Checkpointing Unaligned Recovery State Backends S...

11. 流处理 11. 流处理 有效的复杂系统总是从简单的系统演化而来。 反之亦然：从零设计的复杂系统没一个能有效工作的。 ——约翰·加尔，Systemantics（1975） ​ 在第10章 中，我们讨论了批处理技术，它读取一组文件作为输入，并生成一组新的文件作为输出。输出是衍生数据（derived data） 的一种形式；也...

本章开始我们将了解到如何使用 Qt 处理 XML 格式的文档。 XML（eXtensible Markup Language）是一种通用的文本格式，被广泛运用于数据交换和数据存储（虽然近年来 JSON 盛行，大有取代 XML 的趋势，但是对于一些已有系统和架构，比如 WebService，由于历史原因，仍旧会继续使用 XML）。XML 由 World W...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery Unaligned Checkpointing Unaligned Recovery State Backends S...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery Unaligned Checkpointing Unaligned Recovery State Backends S...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery State Backends Savepoints Exactly Once vs. At Least Once S...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery Unaligned Checkpointing Unaligned Recovery State Backends S...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery State Backends Savepoints Exactly Once vs. At Least Once S...

有状态流处理 What is State? Keyed State State Persistence Checkpointing Barriers Snapshotting Operator State Recovery Unaligned Checkpointing Unaligned Recovery State Backends S...

Stream Processing with SQL 前提条件 在 Stream 上执行实时查询任务（Query） Stream Processing with SQL This page shows how to processing stream data in HStreamDB with SQL using Java SDK. 前提条件...