Increase your existing DynamoDB table's warm throughput

import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
import software.amazon.awssdk.services.dynamodb.model.DynamoDbException;
import software.amazon.awssdk.services.dynamodb.model.GlobalSecondaryIndexUpdate;
import software.amazon.awssdk.services.dynamodb.model.UpdateGlobalSecondaryIndexAction;
import software.amazon.awssdk.services.dynamodb.model.UpdateTableRequest;
import software.amazon.awssdk.services.dynamodb.model.WarmThroughput;

...
public static WarmThroughput buildWarmThroughput(final Long readUnitsPerSecond,
                                                 final Long writeUnitsPerSecond) {
    return WarmThroughput.builder()
            .readUnitsPerSecond(readUnitsPerSecond)
            .writeUnitsPerSecond(writeUnitsPerSecond)
            .build();
}

public static void updateDynamoDBTable(DynamoDbClient ddb,
                                       String tableName,
                                       Long tableReadUnitsPerSecond,
                                       Long tableWriteUnitsPerSecond,
                                       String globalSecondaryIndexName,
                                       Long globalSecondaryIndexReadUnitsPerSecond,
                                       Long globalSecondaryIndexWriteUnitsPerSecond) {

    final WarmThroughput tableWarmThroughput = buildWarmThroughput(tableReadUnitsPerSecond, tableWriteUnitsPerSecond);
    final WarmThroughput gsiWarmThroughput = buildWarmThroughput(globalSecondaryIndexReadUnitsPerSecond, globalSecondaryIndexWriteUnitsPerSecond);

    final GlobalSecondaryIndexUpdate globalSecondaryIndexUpdate = GlobalSecondaryIndexUpdate.builder()
            .update(UpdateGlobalSecondaryIndexAction.builder()
                    .indexName(globalSecondaryIndexName)
                    .warmThroughput(gsiWarmThroughput)
                    .build()
            ).build();

    final UpdateTableRequest request = UpdateTableRequest.builder()
            .tableName(tableName)
            .globalSecondaryIndexUpdates(globalSecondaryIndexUpdate)
            .warmThroughput(tableWarmThroughput)
            .build();

    try {
        ddb.updateTable(request);
    } catch (DynamoDbException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }

    System.out.println("Done!");
}

from boto3 import resource
from botocore.exceptions import ClientError

def update_dynamodb_table_warm_throughput(table_name, table_read_units, table_write_units, gsi_name, gsi_read_units, gsi_write_units, region_name="us-east-1"):
    """
    Updates the warm throughput of a DynamoDB table and a global secondary index.

    :param table_name: The name of the table to update.
    :param table_read_units: The new read units per second for the table's warm throughput.
    :param table_write_units: The new write units per second for the table's warm throughput.
    :param gsi_name: The name of the global secondary index to update.
    :param gsi_read_units: The new read units per second for the GSI's warm throughput.
    :param gsi_write_units: The new write units per second for the GSI's warm throughput.
    :param region_name: The AWS Region name to target. defaults to us-east-1
    """
    try:
        ddb = resource('dynamodb', region_name)
        
        # Update the table's warm throughput
        table_warm_throughput = {
            "ReadUnitsPerSecond": table_read_units,
            "WriteUnitsPerSecond": table_write_units
        }

        # Update the global secondary index's warm throughput
        gsi_warm_throughput = {
            "ReadUnitsPerSecond": gsi_read_units,
            "WriteUnitsPerSecond": gsi_write_units
        }

        # Construct the global secondary index update
        global_secondary_index_update = [
            {
                "Update": {
                    "IndexName": gsi_name,
                    "WarmThroughput": gsi_warm_throughput
                }
            }
        ]

        # Construct the update table request
        update_table_request = {
            "TableName": table_name,
            "GlobalSecondaryIndexUpdates": global_secondary_index_update,
            "WarmThroughput": table_warm_throughput
        }

        # Update the table
        ddb.update_table(**update_table_request)
        print("Table updated successfully!")
    except ClientError as e:
        print(f"Error updating table: {e}")
        raise e

import { DynamoDBClient, UpdateTableCommand } from "@aws-sdk/client-dynamodb";

async function updateDynamoDBTableWarmThroughput(
  tableName,
  tableReadUnits,
  tableWriteUnits,
  gsiName,
  gsiReadUnits,
  gsiWriteUnits,
  region = "us-east-1"
) {
  try {
    const ddbClient = new DynamoDBClient({ region: region });

    // Construct the update table request
    const updateTableRequest = {
      TableName: tableName,
      GlobalSecondaryIndexUpdates: [
        {
            Update: {
                IndexName: gsiName,
                WarmThroughput: {
                    ReadUnitsPerSecond: gsiReadUnits,
                    WriteUnitsPerSecond: gsiWriteUnits,
                },
            },
        },
      ],
      WarmThroughput: {
          ReadUnitsPerSecond: tableReadUnits,
          WriteUnitsPerSecond: tableWriteUnits,
      },
    };

    const command = new UpdateTableCommand(updateTableRequest);
    const response = await ddbClient.send(command);
    console.log(`Table updated successfully! Response: ${response}`);
  } catch (error) {
    console.error(`Error updating table: ${error}`);
    throw error;
  }
}