InfoQ Homepage Event Driven Architecture Content on InfoQ
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Canva Opts for Amazon KDS over SNS+SQS to Save 85% with 25 Billion Events per Day
Canva evaluated different data massaging solutions for its Product Analytics Platform, including the combination of AWS SNS and SQS, MKS, and Amazon KDS, and eventually chose the latter, primarily based on its much lower costs. The company compared many aspects of these solutions, like performance, maintenance effort, and cost.
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Queue Support for Apache Kafka: KIP-932 and KMQ from SoftwareMill
The Apache Kafka community is actively working on enabling queue-like use cases for a popular messaging platform as part of the ongoing KIP-932 (Kafka Improvement Proposal). The proposal introduces a share group abstraction for cooperative message consumption. Meanwhile, SoftwareMill created an alternative solution that can work with the existing consumer group abstraction.
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Local Emulator for Azure Event Hubs in Preview: Offering Developers a Local Development Experience
Microsoft recently launched the local emulator's preview release for Azure Event Hubs. This emulator is designed to give developers a local development experience for Azure Event Hubs, allowing them to develop and test code against the services in isolation.
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Azure Event Grid Supports MQTT Last Will and Testament in Public Preview
Recently, Microsoft announced the public preview release of the Last Will and Testament (LWT) support in Azure Event Grid's MQTT broker capability, which complies with the MQTTv3.1.1 and MQTTv5 specifications.
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Cloudflare R2 Storage Introduces Event Notifications and Infrequent Access Storage Tier
During the recent Developer Week, Cloudflare announced that the object storage R2 now supports event notifications, which automatically trigger Workers in response to data changes. Additionally, the migration service Super Slurper now extends its support to Google Cloud Storage and a new infrequent access storage tier is available in private beta.
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Cloud Native Computing Foundation Graduation of CloudEvents: Q&A with Clemens Vasters
Earlier this year, the Cloud Native Computing Foundation (CNCF) announced that CloudEvents had graduated. CloudEvents is a specification designed to expose event metadata in a standardized manner, which helps to ensure interoperability across platforms, services, and systems.
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Building a Platform to Gain an Unexpected Competitive Advantage: Ranbir Chawla at QCon London
During his QCon London presentation, Ranbir Chawla presented the journey his team took from moving from an “architectural perfect storm” and a highly manual operational system to a product company with a modern event-based architecture that can be released in < 1 hour. The company now focuses on providing real business outcomes to its stakeholders, and ensuring developers find joy in their work.
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QCon London: How Duolingo Sent 4 Million Push Notifications in 6 Seconds During the Super Bowl Break
As part of the Super Bowl marketing campaign, Duolingo sent out 4 million mobile push notifications when the company’s five-second ad aired during the commercial break. At QCon London, Doulingo’s engineers presented the asynchronous AWS architecture responsible for broadcasting messages to millions of users across seven US cities.
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Hashnode Creates Scalable Feed Architecture on AWS with Step Functions, EventBridge and Redis
Hashnode created a scalable event-driven architecture (EDA) for composing feed data for thousands of users. The company used serverless services on AWS, including Lambda, Step Functions, EventBridge, and Redis Cache. The solution leverages Step Functions' distributed maps feature that enables high-concurrency processing.
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Uber Builds Scalable Chat Using Microservices with GraphQL Subscriptions and Kafka
Uber replaced a legacy architecture built using the WAMP protocol with a new solution that takes advantage of GraphQL subscriptions. The main drivers for creating a new architecture were challenges around reliability, scalability, observability/debugibility, as well as technical debt impeding the team’s ability to maintain the existing solution.
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Pinterest Open-Sources a Production-Ready PubSub Java Client for Kafka, Flink, and MemQ
Pinterest open-sourced its generic PubSub client library, PSC, which has been heavily used in production for a year and a half. The library helped the engineering teams by increasing developer velocity, and the scalability and stability of services using it. Over 90% of Java applications have migrated to PSC with minimal changes.
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Instacart Creates Real-Time Item Availability Architecture with ML and Event Processing
Instacart combined machine learning with event-based processing to create an architecture that provides customers with an indication of item availability in near real-time. The new solution helped to improve user satisfaction and retention by reducing order cancellations due to out-of-stock items. The team also created a multi-model experimentation framework to help enhance model quality.
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Discord Scales to 1 Million+ Online MidJourney Users in a Single Server
Discord optimized its platform to serve over one million online users in a single server while maintaining a responsive user experience. The company evolved the guild component, which is responsible for fanning out billions of message notifications, in a series of performance and scalability improvements supported by system observability and performance tuning.
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Real-Time Data Streaming Capabilities with AppSync Integration in Amazon EventBridge Event Bus
AWS recently announced that Amazon EventBridge Event Bus supports AWS AppSync as an Event Bus's target, enabling developers to stream real-time updates such as sports scores from their applications to frontend applications, including mobile and desktop.
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DoorDash Develops New Sessionization Platform with Flink to Improve Notification Delivery Timeliness
DoorDash has significantly enhanced its user engagement by leveraging Apache Flink for real-time session detection and notification delivery. This move marks a substantial advancement in user interaction and cart conversion rates.