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articles/data-explorer/ingest-data-streaming.md

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Use the classic (bulk) ingestion instead of streaming ingestion when the amount of data grows to more than 1 MB per second per table. Read [Data ingestion overview](/azure/data-explorer/ingest-data-overview) to learn more about the various methods of ingestion.
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> [!NOTE]
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> Streaming ingestion doesn't support the following features:
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> * [Database cursors](/azure/kusto/management/databasecursor).
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> * [Data mapping](/azure/kusto/management/mappings). Only [pre-created](/azure/kusto/management/tables#create-ingestion-mapping) data mapping is supported.
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## Prerequisites
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* If you don't have an Azure subscription, create a [free Azure account](https://azure.microsoft.com/free/) before you begin.
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## Enable streaming ingestion on your cluster
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> [!WARNING]
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> Please review the [limitations](#limitations) prior to enabling steaming ingestion.
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1. In the Azure portal, go to your Azure Data Explorer cluster. In **Settings**, select **Configurations**.
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1. In the **Configurations** pane, select **On** to enable **Streaming ingestion**.
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1. Select **Save**.
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There are two supported streaming ingestion types:
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* [Event Hub](/azure/data-explorer/ingest-data-event-hub) used as a data source
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* Custom ingestion requires you to write an application that uses one of Azure Data Explorer client libraries. See [streaming ingestion sample](https://github.com/Azure/azure-kusto-samples-dotnet/tree/master/client/StreamingIngestionSample) for a sample application.
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* [**Event Hub**](/azure/data-explorer/ingest-data-event-hub) used as a data source
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* **Custom ingestion** requires you to write an application that uses one of the Azure Data Explorer client libraries. See [streaming ingestion sample](https://github.com/Azure/azure-kusto-samples-dotnet/tree/master/client/StreamingIngestionSample) for a sample application.
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### Choose the appropriate streaming ingestion type
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* Enabling streaming ingestion on a cluster, even when data isn't ingested via streaming, uses part of the local SSD disk of the cluster machines for streaming ingestion data and reduces the storage available for hot cache.
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* [Extent tags](/azure/kusto/management/extents-overview.md#extent-tagging) can't be set on the streaming ingestion data.
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Streaming ingestion doesn't support the following features:
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* [Database cursors](/azure/kusto/management/databasecursor).
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* [Data mapping](/azure/kusto/management/mappings). Only [pre-created](/azure/kusto/management/tables#create-ingestion-mapping) data mapping is supported.
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## Next steps
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* [Query data in Azure Data Explorer](web-query-data.md)

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