InfoQ Homepage Database Content on InfoQ
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Uber Migrates 1 Trillion Records from DynamoDB to LedgerStore to Save $6 Million Annually
Uber migrated all its payment transaction data from DynamoDB and blob storage into a new long-term solution, a purpose-built data store named LedgerStore. The company was looking for cost savings and had previously reduced the use of DynamoDB to store hot data (12 weeks old). The move resulted in significant savings and simplified the storage architecture.
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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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QCon London: Meta Used Monolithic Architecture to Ship Threads in Only Five Months
Zahan Malkani talked during QCon London 2024 about Meta’s journey from identifying the opportunity in the market to shipping the Threads application only five months later. The company leveraged Instagram's existing monolithic architecture and quickly iterated to create a new text-first microblogging service in record time.
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Cloudflare D1, Workers Analytics Engine and Hyperdrive: Q&A with Rita Kozlov and Matt Silverlock
Cloudflare recently announced the “production ready” switch on three products: their serverless SQL database D1, time series Workers Analytics Engine, and Hyperdrive.
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Microsoft Announces Garnet: a New Open-Source Cache-Store and Redis Alternative
Microsoft Research has recently announced Garnet, an open-source cache-store designed to accelerate applications and services. Using the RESP wire protocol, Garnet is a faster alternative to cache-stores and is compatible with existing Redis clients.
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Reddit Migrates Media Metadata from S3 and Other Systems into AWS Aurora Postgres
Reddit consolidated its media metadata storage into a new architecture using AWS Aurora Postgres. Previously, the company sourced media metadata from various systems, including directly from AWS S3. The new solution simplifies media metadata retrieval and handles 100k+ requests per second with latency below 5ms (p90).
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Transactional Serverless Computing: PostgreSQL Creator Announces DBOS Cloud
The creators of DBOS have recently introduced DBOS Cloud, a transactional serverless application platform tailored for TypeScript developers. With all state information stored in a highly available DBMS, this new platform assures transactional serverless computing, offering reliable execution alongside so-called "time travel" capabilities.
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Redis Switches to SSPLv1: Restrictive License Sparks Fork by Former Maintainers
Redis has recently announced a change in their license by transitioning from the open-source BSD to the more restrictive Server Side Public License (SSPLv1). The move has promptly led to a fork initiated by former maintainers and reignited discussions surrounding the sustainability of open-source initiatives.
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Vitess Version 19 Released: Ends Support for MySQL 5.7, Improves MySQL Compatibility
Recently, Vitess launched its latest stable release v19. The highlights of this update include metrics for monitoring stream consolidations, improved query compatibility with MySQL for multi-table delete operations, support for incremental backups, and various performance enhancements, among other features.
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Netflix Uses Metaflow to Manage Hundreds of AI/ML Applications at Scale
Netflix recently published how its Machine Learning Platform (MLP) team provides an ecosystem around Metaflow, an open-source machine learning infrastructure framework. By creating various integrations for Metaflow, Netflix already has hundreds of Metaflow projects maintained by multiple engineering teams.
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Copilot in Azure SQL Database in Private Preview
Microsoft has announced a private preview of Copilot for SQL Azure, which offers a natural language for SQL conversion and self-help for database administration.
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Amazon RDS Introduces Faster Storage for High-Performance Database Workloads
AWS has recently introduced support for io2 Block Express volumes on Amazon RDS. Priced as the existing Provisioned IOPS (PIOPS) io1, the new io2 Block Express volumes are compatible with all database engines and are designed for high-performance, high-throughput, and low-latency database workloads.
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Expedia Speeds up Flights Search with Micro Frontends and GraphQL Optimizations
Expedia made flight search faster by up to 52% (page usable time) by applying a range of optimizations to web and mobile applications. To support these improvements, the company improved the observability of its applications. Expedia Flights web application has been migrated to Micro Frontend Architecture (MFA) to allow flexibility, reusability, and better optimization.
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Java News Roundup: New JEP Drafts, Infinispan 15, Payara Platform, Alpaquita Containers with CRaC
This week's Java roundup for March 11th, 2024, features news highlighting: new JEP drafts, Stream Gatherers (Second Preview) and Hot Code Heap; Infinispan 15; the March 2024 edition of Payara Platform; Alpaquita Containers with CRaC; the first release candidate of JobRunr 7.0; and milestone and point releases for Spring projects, Quarkus, Helidon and Micronaut.
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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.