DAX enables you to accelerate reads from DynamoDB tables by up to 10x, taking the time required for reads from milliseconds to microseconds, even at millions of requests per second. DAX manages cache invalidation and data population on your behalf. It also works with existing DynamoDB API calls so that developers can use DAX without making changes to existing application logic.
DAX is available in the US East (N. Virginia), US East (Ohio), US West (Oregon), US West (N. California), South America (São Paulo), EU (Ireland), Asia Pacific (Singapore), Asia Pacific (Tokyo), Asia Pacific (Sydney), and Asia Pacific (Mumbai) Regions.
To download the new DAX SDK for Go client, see the DAX resources page.