2 Runtime Environment

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.

Figure 2-1 Select Runtime

Description of "Figure 2-1 Select Runtime"

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.

Figure 2-2 Catalog with OEP Runtime

Description of "Figure 2-2 Catalog with OEP Runtime"

Features in Spark Runtime

The Spark runtime provides the following features:

• Explorations

• Streams

• Connections

• Targets

In the Spark runtime environment:

• 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.

Figure 2-3 Catalog with Spark Runtime

Description of "Figure 2-3 Catalog with Spark Runtime"