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 follows
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

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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

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