How many times will the process/process Element method of a DoFn be called?
本练习是课程的一部分
通过我们的互动练习之一，将理论转化为实践
This module introduces the course and course outline
Review main concepts of Apache Beam, and how to apply them to write your own data processing pipelines.
当前练习
In this module, you will learn about how to process data in streaming with Dataflow. For that, there are three main concepts that you need to learn: how to group data in windows, the importance of watermark to know when the window is ready to produce results, and how you can control when and how many times the window will emit output.
In this module, you will learn about what makes sources and sinks in Dataflow. The module will go over some examples of TextIO, FileIO, BigQueryIO, PubsubIO, KafKaIO, BigtableIO, Avro IO, and Splittable DoFn. The module will also point out some useful features associated with each I/O.
This module will introduce schemas, which give developers a way to express structured data in their Beam pipelines.
This module covers State and Timers, two powerful features that you can use in your DoFn to implement stateful transformations.
This module will discuss best practices and review common patterns that maximize performance for your Dataflow pipelines.
This modules introduces two new APIs to represent your business logic in Beam: SQL and Dataframes.
This module will cover Beam notebooks, an interface for Python developers to onboard onto the Beam SDK and develop their pipelines iteratively in a Jupyter notebook environment.
This module provides a recap of the course
