Use a Delta Lake cluster with Spark and Amazon Glue - Amazon EMR
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Use a Delta Lake cluster with Spark and Amazon Glue

To use the Amazon Glue Catalog as the Metastore for Delta Lake tables, create a cluster with following steps. For information on specifying the Delta Lake classification using Amazon Command Line Interface, see Supply a configuration using the Amazon Command Line Interface when you create a cluster or Supply a configuration using the Java SDK when you create a cluster.

Create a Delta Lake cluster

  1. Create a file, configurations.json, with the following content:

    
[{"Classification":"delta-defaults",  
"Properties":{"delta.enabled":"true"}},
{"Classification":"spark-hive-site",
"Properties":{"hive.metastore.client.factory.class":"com.amazonaws.glue.catalog.metastore.AWSGlueDataCatalogHiveClientFactory"}}]

  2. Create a cluster with the following configuration, replacing the example Amazon S3 bucket path and the subnet ID with your own.

    
aws emr create-cluster 
    --release-label  emr-6.9.0  
    --applications Name=Spark  
    --configurations file://delta_configurations.json 
    --region us-east-1  
    --name My_Spark_Delta_Cluster  
    --log-uri  s3://amzn-s3-demo-bucket/  
    --instance-type m5.xlarge  
    --instance-count 2   
    --service-role EMR_DefaultRole_V2  
    --ec2-attributes  InstanceProfile=EMR_EC2_DefaultRole,SubnetId=subnet-1234567890abcdef0