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DataFunTalk
DataFunTalk
Jun 16, 2024 · Databases

Design and Optimization of REDgraph: Distributed Parallel Multi‑hop Query for Large‑Scale Social Graphs

This article presents the design, challenges, and performance‑focused optimizations of REDgraph, a large‑scale graph database used at Xiaohongshu, detailing its architecture, edge‑partitioning strategy, distributed parallel query implementation, and experimental results that demonstrate significant latency reductions for multi‑hop queries.

Distributed QueryREDgraphgraph database
0 likes · 25 min read
Design and Optimization of REDgraph: Distributed Parallel Multi‑hop Query for Large‑Scale Social Graphs
Architecture Digest
Architecture Digest
May 11, 2016 · Artificial Intelligence

Interest Feeds: From Facebook NewsFeed and EdgeRank to Pinterest Smart Feed and General Techniques

This article explains why interest‑driven feeds are essential, reviews Facebook's NewsFeed evolution and EdgeRank algorithm, details Pinterest's Smart Feed architecture and Pinnability model, and provides a comprehensive guide to building, ranking, and monitoring generic interest‑feed systems for social platforms.

AlgorithmFacebookPinterest
0 likes · 34 min read
Interest Feeds: From Facebook NewsFeed and EdgeRank to Pinterest Smart Feed and General Techniques
High Availability Architecture
High Availability Architecture
May 3, 2016 · Databases

Designing and Scaling a Social Platform with Redis

This article explains how to build a micro‑blogging social system using Redis, covering core data models, read‑through replication, Sentinel failover, and write‑side sharding techniques that enable the platform to handle hundreds of millions of users and massive traffic.

High AvailabilityRedisScaling
0 likes · 19 min read
Designing and Scaling a Social Platform with Redis
Architect
Architect
Nov 9, 2015 · Big Data

Modeling User Relationships and Information Propagation on Weibo

The article presents a comprehensive analysis of Weibo's social graph, introducing metrics such as propagation power, intimacy, fan and follow similarity, two‑degree relationships, and relationship circles to model and quantify user interactions and information diffusion within the platform.

Big DataPropagationUser Relationship
0 likes · 13 min read
Modeling User Relationships and Information Propagation on Weibo