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To learn about Data Boost, see Data Boost overview.
You can export data by using the Export data page in the Spanner console, or by using a Dataflow template.
Before you begin
Ensure that you have the
spanner.databases.useDataBoost Identity and Access Management (IAM)
permission. For more information, see Access control with IAM.
Export data by using the Spanner console
To export data in Avro format by using the Spanner console:
Follow the instructions in Export databases from Spanner to Avro.
Select the Use Spanner Data Boost checkbox.
To export data in CSV format:
- Use the Spanner to Cloud Storage Text Dataflow template. See the next section.
Export data by using Dataflow templates
To run Dataflow exports with Data Boost, select one of the following options:
Console
Go to one of the following pages:
Follow the Console instructions under Run the template.
On the Create job from template page, under Optional parameters, enter
truein the Use Spanner Data Boost field.
gcloud CLI
Go to one of the following pages:
Follow the gloud instructions under Run the template.
Add the following parameter to the command:
dataBoostEnabled=trueThe following example runs the Spanner to Cloud Storage Avro template and specifies the use of Data Boost.
gcloud dataflow jobs run my_export_job \ --gcs-location gs://dataflow-templates/latest/Cloud_Spanner_to_GCS_Avro \ --region us-central1 \ --staging-location gs://mybucket/temp \ --parameters \ instanceId=my_instance,\ databaseId=my_database,\ outputDir=gs://mybucket/export \ dataBoostEnabled=true
What's next
- Learn about Data Boost in Data Boost overview.
- Use Data Boost in your applications