public enum StreamingModeReference documentation and code samples for the Dataflow v1beta3 API enum StreamingMode.
Specifies the Streaming Engine message processing guarantees. Reduces cost and latency but might result in duplicate messages written to storage. Designed to run simple mapping streaming ETL jobs at the lowest cost. For example, Change Data Capture (CDC) to BigQuery is a canonical use case. For more information, see Set the pipeline streaming mode.
Namespace
Google.Cloud.Dataflow.V1Beta3Assembly
Google.Cloud.Dataflow.V1Beta3.dll
Fields |
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|---|---|
| Name | Description |
AtLeastOnce |
Message deduplication is not performed. Messages might be processed multiple times, and the results are applied multiple times. Note: Setting this value also enables Streaming Engine and Streaming Engine resource-based billing. |
ExactlyOnce |
In this mode, message deduplication is performed against persistent state to make sure each message is processed and committed to storage exactly once. |
Unspecified |
Run in the default mode. |