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Momento Announces Serverless Cache Service
The startup Momento recently emerged from stealth mode launching a serverless cache. The new service is generally available and offers a highly available cache with an on-demand pricing model based on data transferred in/out.
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Amazon DynamoDB - Evolution of a Hyper-Scale Cloud Database Service: Akshat Vig at QCon SF 2022
Akshat Vig, a principal engineer in NoSQL databases at Amazon, spoke at QCon San Francisco about Amazon DynamoDB: Evolution of a Hyper-Scale Cloud Database Service. The talk was part of the "Architectures You've Always Wondered About" track.
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Grab Shared Its Experience in Designing Distributed Data Platform
GrabApp is an application that customers select and buy their daily needs from merchants. To be scalable and manageable the data platform and ingestion should be designed as a distributed, fault-tolerant. To design this data platform two classes of data stores are considered: OLTP and OLAP.
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Atlassian Exceeds 99.9999% of Availability Using Sidecars and Highly Fault-Tolerant Design
Atlassian recently published how it exceeded 99.9999% of availability with its Tenant Context Service. Atlassian achieved this high availability by implementing highly-autonomous client sidecars, able to proactively shield themselves from complete AWS region failures. Sidecars query multiple services concurrently to accomplish this goal and ensure that requests are entirely isolated internally.
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Airbnb Open Sources Ottr: a Serverless Public Key Infrastructure Framework
Airbnb announced that it has open-sourced Ottr, a serverless public key infrastructure framework developed in-house. Ottr handles end-to-end certificate rotations without the use of an agent. Ottr's primary design goal is to be a scalable and configurable serverless framework on AWS with little operational overhead or reliance on enrollment protocols.
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.NET News Roundup - Week of April 12th, 2021
It's been a busy week for the .NET community, with the release of new Visual Studio previews (Windows and Mac), updates to .NET Core 3.1 and 2.1, new releases from the Azure team, and more. InfoQ examined these and a number of smaller stories in the .NET ecosystem from the week of April 12th, 2021.
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Dynein – an Asynchronous Background Job Service from Airbnb
At Airbnb, they move time consuming, resource intensive tasks over to asynchronous background jobs to improve scalability. The job scheduling system has become a very important component and they have therefore built Dynein, a distributed delayed job queueing service and scheduler. In a blog post, Andy Fang from Airbnb describes the background and challenges in designing and building the service.
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AWS Launches New Document-Oriented Database Compatible with MongoDB
AWS just released their 10th database service (15th, if you count each engine offered in the relational database services). This one, called Amazon DocumentDB, stores semi-structured data inside a scalable, highly-available managed service. While offering a MongoDB-compatible API, DocumentDB is not running MongoDB software, which caused hand-wringing among some tech watchers.
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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.