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UV counting

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Sohu Tech Products
Sohu Tech Products
Apr 13, 2022 · Backend Development

Implementing Page UV Counting with Redis Set, Hash, Bitmap, and HyperLogLog Using Redisson

This article explains how to use Redis data structures—Set, Hash, Bitmap, and HyperLogLog—along with Redisson in Java to efficiently count unique page visitors (UV) in high‑traffic mobile internet scenarios, comparing memory usage, precision, and scalability.

BitmapHyperLogLogRedis
0 likes · 12 min read
Implementing Page UV Counting with Redis Set, Hash, Bitmap, and HyperLogLog Using Redisson
Sohu Tech Products
Sohu Tech Products
Jun 9, 2021 · Big Data

Real-time UV Counting with Flink, Hologres, and RoaringBitmap

This article explains how to implement both offline (T+1) and real‑time UV counting using Hologres with RoaringBitmap for high‑cardinality aggregation, and demonstrates a complete Flink‑Hologres pipeline—including table creation, streaming joins, windowed aggregation, and query examples—for fine‑grained user metric analysis.

Big DataFlinkHologres
0 likes · 11 min read
Real-time UV Counting with Flink, Hologres, and RoaringBitmap