Docs: Session Windowing

[yhl25]

No description provided.

[th0ger]

Hey, until this is doc done, could you give a few words on what session window and reduce streaming of v1.2.*-rc's is about?
Maybe some examples at hand already?

[yhl25]

Hey @th0ger

Session Window
Session window is a type of Unaligned window. The window's end time continues to shift until no data is received for a specified duration. The window only closes when no data arrives for the specified timeout duration.

Examples of Session Window:

• Pipeline
• UDF

Reduce Streaming
Reduce streaming is the functionality that allows messages to be streamed to the next vertex from the reduce vertex. This is useful for custom triggering, where we want to forward responses to the next vertex quickly, even before the window closes.

Examples of Reduce Streaming:

• Pipeline
• UDF

Bare with us! We'll try to finish the doc sooner! :)

[th0ger]

Thanks for the clarification and good luck with the upcoming release 👍