DynamoDB Adapter for ActiveSupport Cache

Installation

Add this line to your application's Gemfile:

gem 'dynamo-store'

And then execute:

bundle

Or install it yourself as:

gem install dynamo-store

Usage

DynamoStore provides an adapter layer ActiveSupport::Cache to DynamoDB. A serverless key-value store offering millisecond recall and write time.

DynamoStore leverages to the DynamoDB TTL column to automatically remove items as they reach expiration time, this feature should be enabled, as this adapter does not implement any manual cleanup steps.

Configuration

All configuration options are passed during construction of the store. You may also provide the arguments given to the superclass ActiveSupport::Cache::Store.

Configuration	Type	Default	Description
table_name	string	None. Required	The name of the DynamoDB Table
dynamo_client	Aws:::DynamoDB::Client	Default AWS SDK Client	The client to use for connections. Useful for directing the cache at a local installation
hash_key	string	'CacheKey'	The name of the hash key for the cache table
ttl_key	string	'TTL'	The colum to use for auto-ttling items

Rails

# in config/application.rb

config.cache_store = :dynamo_store, {table_name: 'AppCache'}

Outside of Rails

require 'dynamo-store'

cache = ActiveSupport::Cache::DynamoStore.new(table_name: 'AppCache')