Amazon Redshift User Manual

AWSCredentials credentials = new PropertiesCredentials(
CreateAndModifyClusterParameterGroup.class
.getResourceAsStream("AwsCredentials.properties"));
client = new AmazonRedshiftClient(credentials);
try {
createClusterParameterGroup();
modifyClusterParameterGroup();
associateParameterGroupWithCluster();
describeClusterParameterGroups();
} catch (Exception e) {
System.err.println("Operation failed: " + e.getMessage());
}
}
private static void createClusterParameterGroup() {
CreateClusterParameterGroupRequest request = new CreateClusterParamet
erGroupRequest()
.withDescription("my cluster parameter group")
.withParameterGroupName(clusterParameterGroupName)
.withParameterGroupFamily(parameterGroupFamily);
client.createClusterParameterGroup(request);
System.out.println("Created cluster parameter group.");
}
private static void describeClusterParameterGroups() {
DescribeClusterParameterGroupsResult result = client.describeClusterPara
meterGroups();
printResultClusterParameterGroups(result);
}
private static void modifyClusterParameterGroup() {
List<Parameter> parameters = new ArrayList<Parameter>();
parameters.add(new Parameter()
.withParameterName("extra_float_digits")
.withParameterValue("2"));
// Replace WLM configuration. The new configuration defines a queue (in
addition to the default).
parameters.add(new Parameter()
.withParameterName("wlm_json_configuration")
.withParameterValue("[{\"user_group\":[\"ex
ample_user_group1\"],\"query_group\":[\"example_query_group1\"],\"query_concur
rency\":7},{\"query_concurrency\":5}]"));
ModifyClusterParameterGroupRequest request = new ModifyClusterParamet
erGroupRequest()
.withParameterGroupName(clusterParameterGroupName)
.withParameters(parameters);
client.modifyClusterParameterGroup(request);
}
private static void associateParameterGroupWithCluster() {
ModifyClusterRequest request = new ModifyClusterRequest()
.withClusterIdentifier(clusterIdentifier)
.withClusterParameterGroupName(clusterParameterGroupName);
API Version 2012-12-01
49
Amazon Redshift Management Guide
Managing Parameter Groups Using AWS SDK for Java

Amazon Redshift Specifications

General

Provider	Amazon Web Services (AWS)
Query Language	SQL
Data Storage	Columnar storage
Security	Encryption at rest and in transit, VPC, IAM
Backup	Automated and manual snapshots
Deployment	Cloud-based
Type	Cloud-based data warehouse service
Primary Use	Data warehousing, analytics
Integration	Integrates with AWS services, BI tools, and ETL tools
Pricing Model	On-demand and reserved instance pricing
Data Compression	Columnar storage with data compression
Performance Optimization	Query optimization