InfoQ Homepage Redis Content on InfoQ
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Karrot Improves Conversion Rates by 70% with New Scalable Feature Platform on AWS
Karrot replaced its legacy recommendation system with a scalable architecture that leverages various AWS services. The company sought to address challenges related to tight coupling, limited scalability, and poor reliability in its previous solution, opting instead for a distributed, event-driven architecture built on top of scalable cloud services.
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Reddit Migrates Comment Backend from Python to Go Microservice to Halve Latency
Reddit has rebuilt its core backend, migrating Comments, Accounts, Posts, and Subreddits from a legacy Python monolith to Go microservices. The migration improves performance, halves critical write latency, and modernizes the platform for future scalability while preserving correctness across multiple datastores.
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Valkey 9.0 Introduces Multi-Database Clustering, Atomic Slot Migration, and Major Performance Gains
The Linux Foundation has announced the general availability of Valkey 9.0, the open-source in-memory storage solution developed as a successor to Redis. The latest major version introduces atomic slot migrations, hash field expiration, and full support for numbered databases in cluster mode, enabling scaling to 2,000 nodes and achieving over 1 billion requests per second.
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Airbnb Adds Adaptive Traffic Control to Manage Key Value Store Spikes
Airbnb upgraded Mussel, its multi-tenant key-value store, replacing static per-client rate limits with an adaptive, resource-aware traffic control system. The redesign ensures resilience during traffic spikes, protects critical workflows, and maintains fair usage across thousands of tenants while scaling efficiently.
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Redis Critical Remote Code Execution Vulnerability Discovered after 13 Years
Redis recently released a security advisory regarding CVE-2025-49844. This critical (CVSS 10.0) use-after-free (UAF) vulnerability in Lua scripting could allow authenticated attackers to execute remote code on older versions of Redis and Valkey with Lua scripting enabled. Developers are urged to upgrade to patched releases as soon as possible.
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Uber Achieves 150M Reads per Second with CacheFront Improvements
Uber has updated its CacheFront architecture to handle over 150 million reads per second. The new design improves consistency and reduces stale reads by integrating Flux for MySQL binlog tailing, enhancing the storage engine, and introducing Cache Inspector for monitoring and optimization.
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Pogocache: Open Source Caching Software with Low Latency and Multiple Wire Protocols
A new open-source caching software, Pogocache, recently reached 1.0 general availability, focusing on low latency and CPU efficiency. Pogocache supports multiple popular protocols while claiming better throughput and lower latency than other open-source caching alternatives.
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Grab Switches from SQS and Redis to Temporal for Its Subscription Platform
Grab based the new architecture for GrabUnlimited on Temporal. The company enhanced user experience and reduced production incidents by 80% for its subscription platform, which serves millions of users. The new architecture significantly improved robustness and scalability, addressing a range of issues with the previous solution.
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Redis Returns to Open Source under AGPL License: Is It Too Late?
Redis 8 has recently hit general availability, switching to the AGPLv3 license. A year after leaving its open source roots to challenge cloud service providers and following the birth of Valkey, Redis has rehired its creator and moved back to an open source license.
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Redis 8 Targets AI Applications with New Data Type for Vector Similarity
Redis has recently announced the addition of Vector Set, a data type designed for vector similarity and a new option for AI applications. This new data type marks the first major contribution from Salvatore Sanfilippo (aka ‘antirez’), the creator of Redis, since rejoining the company.
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AWS Reduces Latency and Costs for Key/Value Datastores with AZ Affinity Routing and GLIDE Valkey
AWS recently introduced Availability Zone (AZ) awareness in version 1.2 of the open source Valkey General Language Independent Driver for Enterprise (GLIDE) client library. By implementing AZ affinity routing in the open source key/value datastore, developers can reduce latency and costs by directing requests to replicas within the same AZ as the client.
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Databases in 2024: Growth, Change and Controversy
Andrew Pavlo’s annual retrospective on the database world has recently been released, covering trends and innovations from the past year. The opinionated report, "Databases in 2024: A Year in Review," highlights that while we may indeed be in the "golden era of databases," last year brought significant license changes, the rapid growth of DuckDB, and some surprising new releases.
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Redis Creator 'antirez' Returns: Can He Shift Momentum away from Valkey?
After over four years away, Redis creator Salvatore Sanfilippo recently announced his return to Redis. In what has been a challenging year for the company behind the source-available in-memory NoSQL database, the announcement has sparked enthusiasm and stirred much discussion within the Redis community.
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.NET Aspire 9.0 Now Generally Available: Enhanced AWS & Azure Integration and More Improvements
.NET Aspire 9.0 is now generally available, bringing several features aimed at improving cloud-native application development on both AWS and Azure. This release supports both .NET 8 (LTS) and .NET 9 (STS), giving developers flexibility in choosing the platform that best fits their projects.
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Google Cloud Adds Scalable Vector Search to Memorystore for Valkey & Redis Cluster
Google Cloud has introduced scalable vector-search capabilities to its Memorystore for Valkey and Redis Cluster. This update allows developers to perform vector searches at ultra-low latencies over billions of vectors.