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DAX is a managed caching service engineered for Amazon DynamoDB. DAX dramatically speeds up database reads by caching frequently-accessed data from DynamoDB, so applications can access that data with sub-millisecond latency. You can create a DAX cluster easily, using the AWS Management Console. With a few simple modifications to your code, your application can begin taking advantage of the DAX cluster and realize significant improvements in read performance.

If you’re using the service, you’re probably looking for DynamodbAcceleratorClient and DynamodbAccelerator.


Contains all of the attributes of a specific DAX cluster.

A client for the Amazon DAX API.

Represents the information required for client programs to connect to the endpoint for a DAX cluster.

Represents a single occurrence of something interesting within the system. Some examples of events are creating a DAX cluster, adding or removing a node, or rebooting a node.

Represents an individual node within a DAX cluster.

Represents a parameter value that is applicable to a particular node type.

Describes a notification topic and its status. Notification topics are used for publishing DAX events to subscribers using Amazon Simple Notification Service (SNS).

Describes an individual setting that controls some aspect of DAX behavior.

A named set of parameters that are applied to all of the nodes in a DAX cluster.

The status of a parameter group.

An individual DAX parameter.

The description of the server-side encryption status on the specified DAX cluster.

Represents the settings used to enable server-side encryption.

An individual VPC security group and its status.

Represents the subnet associated with a DAX cluster. This parameter refers to subnets defined in Amazon Virtual Private Cloud (Amazon VPC) and used with DAX.

Represents the output of one of the following actions:

  • CreateSubnetGroup

  • ModifySubnetGroup

A description of a tag. Every tag is a key-value pair. You can add up to 50 tags to a single DAX cluster.

AWS-assigned tag names and values are automatically assigned the aws: prefix, which the user cannot assign. AWS-assigned tag names do not count towards the tag limit of 50. User-assigned tag names have the prefix user:.

You cannot backdate the application of a tag.


Errors returned by CreateCluster

Errors returned by CreateParameterGroup

Errors returned by CreateSubnetGroup

Errors returned by DecreaseReplicationFactor

Errors returned by DeleteCluster

Errors returned by DeleteParameterGroup

Errors returned by DeleteSubnetGroup

Errors returned by DescribeClusters

Errors returned by DescribeDefaultParameters

Errors returned by DescribeEvents

Errors returned by DescribeParameterGroups

Errors returned by DescribeParameters

Errors returned by DescribeSubnetGroups

Errors returned by IncreaseReplicationFactor

Errors returned by ListTags

Errors returned by RebootNode

Errors returned by TagResource

Errors returned by UntagResource

Errors returned by UpdateCluster

Errors returned by UpdateParameterGroup

Errors returned by UpdateSubnetGroup


Trait representing the capabilities of the Amazon DAX API. Amazon DAX clients implement this trait.