...
Page properties | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Introduction
The DataStream API is one of the two main APIs that Flink provides for writing data processing programs. As an API that was introduced practically since day-1 of the project and has been evolved for nearly a decade, we are observing more and more problems of it. Improvements on these problems require significant breaking changes, which makes in-place refactor impractical. Therefore, we propose to introduce a new set of APIs, the DataStream API V2, to gradually replace the original DataStream API.
...
DataStream API V2's Support for Event Time
...
Event time is an important component of timely stream processing. It is worth discussing with a separate FLIP, especially since the new API no longer consider it as the fundamental semantics. This FLIP will focus on the following aspects:
How to Implement event time watermark via generalized watermark mechanism.
How to extract and process event time in DataStream API V2.
...