Enable guaranteed delivery (GD) for a window when you need to ensure
that the window’s output is delivered to subscribers.
Prerequisites
Create a log store in which your guaranteed delivery window can store its events.
- Choose the window you would like to support GD.
- (Optional) If a window that you want to support GD does not exist,
create a new window:
- In the Visual editor Palette, in Streams and Windows,
select
an option to create a window.
Windows that support GD include Input Window,
Derived Window,
Flex,
Aggregate, Compute, and
Join.
- Select a location in the diagram and click to add the
window.
- Select the window and look at its Properties view. (If the
Properties view is not visible, from the main menu select .)
- In the the Properties view, select the General tab, then:
- In the Store field, enter the name of the log store
you created for this GD window.
- Click to select the Guarantee Delivery checkbox.