Slide 8
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Type of Events
W H A T I S A N EV EN T D RI VE N A R C HI T EC T U RE ?
ENTITY EVENT
KEYED EVENT
U NK EYED EV ENT
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An entity is a unique thing and is keyed on the unique id
of the thing
Describes the properties and state of the entity at a
given point in time
Contains a key, but does not represent an entity
Used for partitioning the stream of events to guarantee
data locality within a single partition of an event stream
Describes an event as a singular statement of a fact