While WebSocket is the classic choice for real‑time communication, this article explains why Server‑Sent Events (SSE) provides a simpler, lower‑overhead alternative for one‑way data pushes such as dashboards, news feeds, and notifications, and includes a practical Node.js example.
This article explains how Amap tackles the complex challenge of guiding users safely through diverse intersections by simplifying intersection models, automating topology generation, applying multimodal AI for data updates, and building an AI‑driven navigation agent that delivers accurate, real‑time routing.
Server‑Sent Events (SSE) provide a simple, one‑way server push mechanism over HTTP, ideal for real‑time updates such as dashboards, notifications, and data streams; this guide explains SSE fundamentals, compares alternatives, and walks through integrating SSE into FastAPI using the sse‑starlette library with full code examples.
This article presents TCHouse‑C, a cloud‑native ClickHouse service, detailing its real‑time data update architecture, schema‑less ingestion, various update strategies such as Delete‑Insert and lightweight‑update/delete, and comprehensive performance tests comparing UniqueMergeTree with standard ClickHouse engines across import, query, and update workloads.
Dolphin VectorDB, created by Alibaba’s Alimama team, is a high‑performance, scalable vector database that delivers fast, cost‑effective AI‑driven vector storage and real‑time updates, supporting multiple query modes and powering applications such as content risk control, marketing Q&A, and audience selection, with ongoing enhancements for multimodal computing.
Apache Paimon is an open‑source streaming data lake storage system that combines LSM‑based real‑time updates, open file formats, and deep integration with Flink, Spark, and Trino to deliver high‑throughput ingestion, low‑latency queries, and unified batch‑stream processing for modern big‑data workloads.
This article presents a comprehensive design and implementation of a real‑time cache update system that leverages Kafka‑driven database change streams, a centralized cache scheduling center, executor registration, broadcast and fail‑over scheduling, and a lightweight SDK to achieve millisecond‑level cache consistency for C‑end services.
UniqueMergeTree, a new ClickHouse table engine, addresses real‑time data update challenges by combining upsert semantics, unique key enforcement, and efficient delete‑bitmap handling, offering higher query performance at modest write cost, with detailed design, sharding strategies, conflict resolution, and performance evaluation.
The first StarRocks Hacker Meetup recapped essential techniques for building high‑performance databases, covering CPU vectorization basics, key optimization strategies, and a preview of the upcoming session on real‑time updates and storage engine redesign, all presented by community experts.
This article explains iQIYI TV's backend distributed real-time local cache solution, comparing local and centralized caches, detailing its advantages, drawbacks, and a message-driven update mechanism that improves high‑concurrency read performance and reduces cache‑related risks.
This article presents the design, architecture, and implementation details of a visual, real‑time, and highly available configuration platform for commercial‑real‑estate advertising, covering requirements analysis, data modeling, CAP‑theorem considerations, consistency mechanisms, client design, long‑connection strategy, performance testing, and future outlook.
This technical presentation explains how Youku tackles the massive, real‑time update problem of video‑content graphs by adopting a graph‑database architecture, sub‑graph partitioning, schema‑driven logical views, and Flink‑based pipelines to achieve second‑level updates for billions of entities and attributes.
