Spotify Builds External Index to Enable Low Latency Point Queries on Its Data Lake
Spotify introduced external indexing architecture for Apache Parquet data lakes that enables low-latency point queries without replicating datasets…
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JioHotstar Explains the Distributed Engineering Behind Personalized Ad Requests at Streaming Scale
JioHotstar explains the distributed architecture behind its real-time ad request workflow, covering ad decisioning, waterfall tiering, pacing algori…
GitHub Increased Instant Navigation from 4% to 22% by Rethinking Client Side Architecture
GitHub redesigned GitHub Issues navigation using a client-side architecture that combines caching, predictive prefetching, and service workers to re…
Article: Removing a Hidden Round Trip from a Multi-Region AWS API
When a series of regional outages forced a rethink of a multi-region AWS API, the team discovered that an obstacle to global failover was hiding in…
Netflix Cuts Cassandra Read Latency from Seconds to Milliseconds with Dynamic Partition Splitting
Netflix engineers introduced dynamic partition splitting for Cassandra to address wide partitions in time series workloads. The metadata-driven appr…
Pinterest Uses Content Fingerprints for URL Deduplication Across Millions of Domains
Pinterest introduced MIQPS, a URL normalization system that identifies which query parameters affect page identity using rendered content fingerprin…
30+ Updates per Second per Account: Uber Scales Ledger Processing with Batching
Uber introduced a high-throughput financial ledger processing system designed to handle hot account write contention at scale. Using 250ms batching,…
Shopify Reports 15X Faster Graphql Execution with Breadth First Engine
Shopify introduced GraphQL Cardinal, a new execution engine replacing depth-first traversal with breadth-first execution. The redesign improves larg…
Agoda Builds Multimodal Content System to Bridge Images and Reviews in Travel Discovery
Agoda Multimodal Content System https://example.com/agoda-multimodal-content-system Agoda unifies hotel images and guest reviews using a shared topi…
Swiggy Improves Search Autocomplete Using Real Time Machine Learning Ranking
Swiggy detailed real-time machine-learning ranking system for autocomplete built on OpenSearch. The architecture separates candidate generation and…
OpenAI Introduces Websocket-Based Execution Mode to Reduce Latency in Agentic Workflows
OpenAI introduces a WebSocket-based execution mode for its Responses API to improve agentic workflow performance in coding agents and real-time AI s…
Cloudflare Introduces Flagship: an Edge-Native Feature Flag Service Built on OpenFeature
Cloudflare recently announced the closed beta of Flagship, a new feature flag service built directly into its global edge platform. The service lets…