Oracle Stream Analytics provides an option to select the runtime environment on which you want to run the application.
The available runtimes are:
OEP — this option provides all the event processing capabilities of Oracle Stream Analytics
Spark — this option provides all the features related to Spark integration.
Click the arrow beside the username at the top-right corner of the screen and select a runtime from the options that appear.
WARNING:
The Spark option may be disabled if the required configuration is not completed. Contact the system administrator.Features in OEP Runtime
The OEP runtime provides the following features:
Explorations
Streams
References
Maps
Connections
Targets
Patterns
When you select the OEP runtime, the Catalog page appears as shown in the below screen.
Features in Spark Runtime
The Spark runtime provides the following features:
Explorations
Streams
Connections
Targets
you cannot use more than one stream in an exploration
you do not have business rules
you cannot chain explorations. Instead, you can send events to a Kafka target and create a stream reading from that same kafka topic.
you cannot create Patterns
you cannot create maps
you cannot create connections.
When you select the Spark runtime, the Catalog page appears as shown in the below screen.