Buffer Operator

The buffer operator collects all events that happens in between watermarks and stores them in a temporary tree. This is useful if a row is updated where no values are changed and you do not wish it to be propogated to the rest of the stream.

The buffer operator has no properties.

Metrics

The Buffer Operator has the following metrics:

Metric Name	Type	Description
busy	Gauge	Value 0-1 on how busy the operator is.
backpressure	Gauge	Value 0-1 on how much backpressure the operator has.
health	Gauge	Value 0 or 1, if the operator is healthy or not.
events	Counter	How many events that the operator outputs.