Category: Java

Last month the Amazon DynamoDB team announced a new pair of features: Improved Query Filtering and Conditional Updates.  In this post, we’ll show how to use the new and improved conditional writes feature of DynamoDB to speed up your app. Let’s say you’re building a racing game, where two players advance in position until they […]

Encrypting data using the Amazon S3 encryption client is one way you can provide an additional layer of protection for sensitive information you store in Amazon S3. Now the Amazon S3 encryption client provides you with the ability to use authenticated encryption for your stored data via the new CryptoMode.AuthenticatedEncryption option. The Developer Preview of […]

Evan Brown is doing a great five part series on the AWS Application Management Blog on developing, deploying, and managing for scale with Elastic Beanstalk and CloudFormation. In each of his five blog posts, Evan breaks down a different topic and explains best practices as well as practical tips and tricks for working with applications […]

Suppose you have a partner who would like to encrypt and upload some confidential data to you via Amazon S3, but doesn’t want anyone other than you to be able to decrypt the data. Is this possible? Yes! That’s a classical use case of Public-key Cryptography, and AmazonS3EncryptionClient makes it easy to do. First of […]

The latest addition to the list of Transfer Manager features is the ability to easily make copies of your data in Amazon S3. The new TransferManager.copy method allows you to easily copy an existing Amazon S3 object from one location to another. Under the hood, TransferManager selects which copy algorithm is best for your data, […]

If you’re a Maven user, there’s a brand new way to get started building Java applications that use the AWS SDK for Java. With the new Maven archetype, you can easily create a new Java project configured with the AWS SDK for Java and some sample code to help you find your way around the […]

Amazon SQS recently introduced support for dead letter queues. This feature is an important tool to help your applications consume messages from SQS queues in a more resilient way. Dead letter queues allow you to set a limit on the number of times a message in a queue is processed. Consider an application that consumes […]

We’re excited to announce support for two more Amazon RDS database engines in the AWS Toolkit for Eclipse. You can now configure connections to PostgreSQL and Microsoft SQL Server RDS database instances directly from within Eclipse by opening the AWS Explorer view and double-clicking on your RDS database instance. The first time you select your […]

We’re excited to announce that the AWS Toolkit for Eclipse now includes integration with the Amazon DynamoDB Local Test Tool. The DynamoDB Local Test Tool allows you to develop and test your application against a DynamoDB-compatible database running locally — no Internet connectivity or credit card required. When your application is ready for prime time, […]

As you may know, starting from Java 5, the JMX technology is available out-of-the-box to monitor and manage the Java VM.  It seems natural to wonder what it would be like to configure and modify the behavior of the AWS Java SDK via JMX in real time.  Imagine, for example, every configuration option related to […]