Avro format in Data Factory in Microsoft Fabric

This article outlines how to configure Avro format in the data pipeline of Data Factory in Microsoft Fabric.

Supported capabilities

Avro format is supported for the following activities and connectors as a source and destination.

Category	Connector/Activity
Supported connector	Amazon S3
	Azure Blob Storage
	Azure Data Lake Storage Gen1
	Azure Data Lake Storage Gen2
	FTP
	Google Cloud Storage
	HTTP
	SFTP
Supported activity	Copy activity
	Lookup activity
	GetMetadata activity
	Delete activity

Avro format in copy activity

To configure Avro format, choose your connection in the source or destination of data pipeline copy activity, and then select Avro in the drop-down list of File format. Select Settings for further configuration of this format.

Avro format as source

After you select Settings in the File format section, the following properties are shown in the pop-up File format settings dialog box.

• Compression type: Choose the compression codec used to read Avro files in the drop-down list. You can choose from None or deflate. You can also choose Add dynamic content to specify the type in the expression builder.

• Compression level: Specify the compression ratio. Choose from 1 to 7. You can also choose Add dynamic content to specify the level in the expression builder.

Avro format as destination

After you select Settings, the following properties are shown in the pop-up File format settings dialog box.

• Compression type: Choose the compression codec used to write Avro files in the drop-down list. You can choose from None or deflate. You can also choose Add dynamic content to specify the type in the expression builder.

• Compression level: Specify the compression ratio. Choose from 1 to 7. You can also choose Add dynamic content to specify the level in the expression builder.

Under Advanced settings in the Destination tab, the following Avro format related properties are displayed.

• Max rows per file: When writing data into a folder, you can choose to write to multiple files and specify the maximum rows per file.
• File name prefix: Applicable when Max rows per file is configured. Specify the file name prefix when writing data to multiple files, resulted in this pattern: <fileNamePrefix>_00000.<fileExtension>. If not specified, the file name prefix is auto generated. This property doesn't apply when the source is a file based store or a partition option enabled data store.

Table summary

Avro as source

The following properties are supported in the copy activity Source section when using the Avro format.

Name	Description	Value	Required	Avro script property
File format	The file format that you want to use.	Avro	Yes	type (under datasetSettings): Avro
Compression type	The compression codec used to read Avro files.	None deflate	No	avroCompressionCodec: deflate
Compression level	The compression ratio.	1 to 7	No	avroCompressionLevel: 1 to 7

Avro as destination

The following properties are supported in the copy activity Destination section when using the Avro format.

Name	Description	Value	Required	Avro script property
File format	The file format that you want to use.	Avro	Yes	type (under datasetSettings): Avro
Compression type	The compression codec used to write Avro files.	None deflate	No	avroCompressionCodec: deflate
Compression level	The compression ratio.	1 to 7	No	avroCompressionLevel: 1 to 7
Max rows per file	When writing data into a folder, you can choose to write to multiple files and specify the maximum rows per file.	< your max rows per file >	No	maxRowsPerFile
File name prefix	Applicable when Max rows per file is configured. Specify the file name prefix when writing data to multiple files, resulted in this pattern: <fileNamePrefix>_00000.<fileExtension>. If not specified, the file name prefix is auto generated. This property doesn't apply when the source is a file based store or a partition option enabled data store.	< your file name prefix >	No	fileNamePrefix

Related content

• Connectors overview