hyperloglog

Dynatrace hash library for Java

ExaLogLog: Space-Efficient and Practical Approximate Distinct Counting up to the Exa-Scale

A simple, time-tested, family of random hash functions in Java, based on CRC32, affine transformations, and the Mersenne Twister. 🎲

In-memory Pure Java implementation to Redis useful for unit testing

Extension to Clearspring impl. of HLL++, which allows merging directly from a stream

高性能短链接服务：Spring Boot 3 + Redis + ShardingSphere，支持短码号段生成、多级缓存跳转、异步访问统计、限流风控、API Token 和 React 管理后台。

Implementations for FM Sketch, Hyperloglog and Virtual Hyperloglog algorithms tested on real Intenet traffic from CAIDA

Redis is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and spatial indexes.

HyperLogLog and Count-Min Sketch in plain Java 21 that count unique and top items in kilobytes, with the observed error tested against the theoretical bounds.

Hyper Log Log analytical data processor for LieYing

UniUsage is a command-line tool for analyzing user behavior from log files.

Büyük veri akışlarında benzersiz eleman sayısını (cardinality) düşük bellek tüketimiyle tahmin eden, sıfırdan geliştirilmiş Java tabanlı olasılıksal HyperLogLog (HLL) implementasyonu.

Motor de detección de intrusiones sobre tráfico real de un honeypot SSH propio: estructuras exactas frente a Count-Min Sketch, HyperLogLog y Space-Saving, medidas en memoria y acierto.

🍃 A RESTful Web Service