Batch和streaming不同之处就是在获取JobGraph上面。 如果我们初始化的FlinkPlan是StreamingPlan,则首先构造Streaming的StreamingJobGraphGenerator去将optPlan转为JobGraph,Batch则直接采用另一种的转化方式。 简而言之,Batch和streaming会有两个不同的ExecutionEnvironment,不同的ExecutionEnvironment会将不同的API翻译成不同的...
简而言之,Batch和streaming会有两个不同的ExecutionEnvironment,不同的ExecutionEnvironment会将不同的API翻译成不同 的JobGgrah,JobGraph 之上除了 StreamGraph 还有 OptimizedPlan。OptimizedPlan 是由 Batch API 转换而来的。 StreamGraph 是由 Stream API 转换而来的,JobGraph 的责任就是统一 Batch 和 Stream 的图。
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Quickstarts Create an event hub or Kafka topic Send and receive events Capture events Use Schema Registry Create a dedicated cluster Tutorials Samples Concepts How-to guides Reference Resources Save Add to Collections Add to plan Share via
StreamExecution 构造本次执行的 LogicalPlan (3a) 将预先定义好的逻辑(即 StreamExecution 里的 logicalPlan 成员变量)制作一个副本出来 (3b) 给定刚刚取到的 offsets,通过 Source.getBatch(offsets) 获取本执行新收到的数据的 Dataset/DataFrame 表示,并替换到 (3a) 中的副本里 ...
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Resources Download PDF Learn Azure Messaging services Event Hubs Save Add to Collections Add to plan Share via Facebook x.com LinkedIn Email Print Azure Event Hubs: A real-time data streaming platform with native Apache Kafka support Article 12/17/2024 14 contributors Feedback ...
React 官方在前几天(6/8)发表了新的文章The Plan for React 18[2],新增了一些功能, 公众号@魔术师卡颂 2021/07/07 1.3K0 不再支持 IE,React 新特性详细解读 reactapi渲染windows 近日,React 18 已经正式发布了,带来了许多令人兴奋的新特性。在这个版本中,React 通过其改进的渲染系统带来了并发能力,并在此...
Create an event hub or Kafka topic Send and receive events Capture events Use Schema Registry Create a dedicated cluster Tutorials Samples Concepts How-to guides Reference Resources Download PDF Save Add to Collections Add to plan Share via