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MongoDB 8.0 Now Available with Performance Gains and Enhanced Sharding
MongoDB has announced the general availability of MongoDB 8.0, introducing significant performance enhancements and new features. Highlights include embedded sharding configuration servers, expanded support for queryable encryption, and the capability to move collections across shards without requiring a shard key.
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Java News Roundup: JDK 23, GraalVM for JDK 23, Jakarta EE 11 Update, Micronaut GraalPy, Azul
This week's Java roundup for September 16th, 2024, features news highlighting: the release of JDK 23 and GraalVM for JDK 23; an update on Jakarta EE 11 and plans for Jakarta EE 12; introducing Micronaut GraalPy; and Azul Zing Builds of OpenJDK 24.08.
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Pinterest Shuts down One of the World's Largest HBase Deployments
The engineering team at Pinterest recently deprecated their HBase clusters due to high maintenance and infrastructure costs, a lack of Hbase experts, and limited product functionalities. Following Pinterest’s move to TiDB and other database technologies, the community questions whether this is another sign of the decline of the non-relational database that runs on top of Hadoop and HDFS.
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Azure Cosmos DB Integration with Vercel Now Generally Available
Microsoft announced the general availability of the Vercel and Azure Cosmos DB integration, following the public preview released about one year ago. Sajeetharan Sinnathurai, a product manager at Microsoft, announced upcoming features, including an AI template with integrated vector search capabilities, responding to community feedback.
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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: Lessons Learned from Building LinkedIn’s AI/ML Data Platform
At the QCon London 2024 conference, Félix GV from LinkedIn discussed the AI/ML platform powering the company’s products. He specifically delved into Venice DB, the NoSQL data store used for feature persistence. The presenter shared the lessons learned from evolving and operating the platform, including cluster management and library versioning.
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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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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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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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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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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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The Guardian Creates a Newsroom Collaboration Tool Using Serverless, React and GraphQL
The Guardian created Pinboard, a discussion and asset-sharing tool integrated into a variety of content management platforms used by the company. The solution uses a range of technologies, including Typescript for coding the business logic, different serverless services for code execution, API endpoints, and GraphQL server, as well as AWS RDS (PostgreSQL) for storage.
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Uber's CacheFront: Powering 40M Reads per Second with Significantly Reduced Latency
Uber developed an innovative caching solution, CacheFront, for its in-house distributed database, Docstore. CacheFront enables over 40M reads per second from online storage and achieves substantial performance improvements, including a 75% reduction in P75 latency and over 67% reduction in P99.9 latency, demonstrating its effectiveness in enhancing system efficiency and scalability.