InfoQ Homepage Dynamo DB Content on InfoQ
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Amazon Announces DynamoDB Support for Transactions
Amazon announced that its DynamoDB database service now supports Transactions, offering full atomicity, consistency, isolation, and durability (ACID) guarantee for developing highly scalable apps. With this capability, developers can build transaction guarantees for multi-item updates, making it easier to avoid conflicts and errors when developing highly scalable business-critical applications.
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Instana Extends AI Application Monitoring to AWS Lambda
Instana, a cloud-native provider of artificial intelligence based monitoring tools for dynamic containerized microservice applications, has extended support to include AWS Lambda, a serverless computing platform and also announced availability through the AWS Marketplace.
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Amazon DynamoDB Accelerator (DAX) Released in Preview: In-Memory Cache for Read-Intensive Workloads
AWS has released Amazon DynamoDB Accelerator (DAX) in preview, a fully managed write-through caching service that sits logically in front of DynamoDB tables in order to improve performance for read-intensive workloads. DAX is API-compatible with DynamoDB, meaning that existing applications will not have to be re-written to take advantage of DAX.
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Amazon Adds Time to Live (TTL) Support to AWS DynamoDB
In a recent blog post, Amazon announced changes to its NoSQL database service, DynamoDB, that includes support for Time to Live (TTL) on data stored in the service. Deleting data, based upon time-based thresholds, provides opportunities for organizations to reduce storage costs for data that decreases in value over time.
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A Sample Serverless Microservice Architecture from Autodesk
In the webcast entitled "What's Better Than Microservices? Serverless Microservices," Alan Williams (Autodesk), Asha Chakrabarty (Amazon) and Alan Ho (Apigee) discuss the architecture of a serverless microservice built with lambda functions with Apigee end-points running on AWS.
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New Amazon DynamoDB Streams Enable Triggers, Cross-Region Replication
AWS updated DynamoDB with the ability to publish near real-time notifications of data changes. This new capability – called DynamoDB Streams – spawned two additional features for the NoSQL database-as-a-service: DynamoDB Triggers fire based on specific data changes found in a DynamoDB Stream, and cross-region replication is driven by a DynamoDB Streams-based architecture.
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Amazon DynamoDB gets Online Indexing and Reserved Capacity Improvements
Amazon DynamoDB, the NoSQL database service of AWS now supports online indexing. Along with this, customers can now buy reserved capacity for long term usage.
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Amazon DynamoDB Streams and Event Notifications for Amazon S3 Launched at AWS re:Invent 2014
In their move to event driven architecture, Amazon introduced two enabling technologies allowing the conversion of DynamoDB and S3 written data into events, which can be consumed by other applications and used by Lambda architecture.
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Amazon Boosts JSON Support in DynamoDB NoSQL Database
Last week, the Amazon Web Services team made changes to their DynamoDB NoSQL database service that improve JSON support, improve scalability, and expand the free usage tier. Developers can now use AWS SDKs to store, index, query, and update large JSON documents while consuming up to 25GB of free storage.
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Rich Hickey's Datomic embraces Cloud, intelligent Applications and Consistency
Developed since 2010 by Rich Hickey and the Relevance team, Datomic offers some new approaches to database architecture. Leveraging current trends in cloud and storage it has strong transactions, rich query API and read scaling.