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Architects Research Society
Architects Research Society
May 24, 2021 · Big Data

Understanding the Differences Between Event Stream Processing (ESP) and Complex Event Processing (CEP)

This article explains the origins, concepts, and use‑cases of Event Stream Processing (ESP) and Complex Event Processing (CEP), contrasting their handling of ordered event streams versus unordered event clouds, and discusses how both technologies have evolved and are applied in modern real‑time analytics.

CEPData StreamsESP
0 likes · 17 min read
Understanding the Differences Between Event Stream Processing (ESP) and Complex Event Processing (CEP)
Xianyu Technology
Xianyu Technology
May 7, 2020 · Frontend Development

Design and Implementation of a Front-End Complex Event Processing Framework

The article presents a pure front‑end Complex Event Processing framework that captures user actions, uses an NFA‑based engine to evaluate dynamic strategies, synchronizes data across pages via local storage, and delivers millisecond‑level real‑time user reach on Mini‑program, Web, and Weex platforms.

CEPComplex Event ProcessingFront-end
0 likes · 8 min read
Design and Implementation of a Front-End Complex Event Processing Framework
Xianyu Technology
Xianyu Technology
Feb 11, 2020 · Big Data

Client-side Complex Event Processing with Flink CEP and Python

The article describes how Xianyu’s recommendation system shifts complex event processing from server‑side Blink to client‑side Python using Flink CEP concepts, detailing the NFA‑based state and transition model, pattern‑building API, aggregation support, achieving sub‑second execution with modest memory, and outlines future optimizations such as NFA persistence, windowing, DSL script generation, and C++/TensorFlow Lite acceleration.

CEPClientSideFlink
0 likes · 13 min read
Client-side Complex Event Processing with Flink CEP and Python
Xianyu Technology
Xianyu Technology
Nov 28, 2019 · Big Data

Data‑Driven Seller Activity Enhancement on Xianyu

The Xianyu team built a data‑driven system that monitors seller online status and reply speed, uses Siddhi CEP to match behavior patterns, and orchestrates activities, tasks, and synchronization modules, boosting conversion by three percentage points and allowing new scenarios to launch without developer effort.

CEPactivity optimizationdata pipeline
0 likes · 8 min read
Data‑Driven Seller Activity Enhancement on Xianyu
Xianyu Technology
Xianyu Technology
Oct 16, 2019 · Big Data

Xianyu's Complex Event Processing (CEP) System Design and Implementation

Xianyu’s Complex Event Processing system, built on Alibaba’s Blink (Flink) and a custom SQL‑like DSL, standardizes event I/O, lets users define sequence, window and aggregation rules, and combines an interactive rule service, SLS source, parser, job manager and MetaQ sink to achieve ~100 k QPS, sub‑second latency, fault‑tolerant, and rule‑to‑production turnaround in about thirty minutes.

Big DataCEPDSL
0 likes · 9 min read
Xianyu's Complex Event Processing (CEP) System Design and Implementation
Didi Tech
Didi Tech
Dec 18, 2018 · Big Data

Evolution and Architecture of Didi's Real-Time Computing Platform

From early self‑built Storm and Spark Streaming clusters to a unified YARN‑based Spark platform and finally a low‑latency Flink system with extended CEP and StreamSQL capabilities, Didi’s real‑time computing platform evolved through three stages, delivering multi‑tenant isolation, rich SQL processing, and dramatically reduced development costs.

Big DataCEPFlink
0 likes · 9 min read
Evolution and Architecture of Didi's Real-Time Computing Platform
Architecture Digest
Architecture Digest
May 15, 2016 · Information Security

Design and Architecture of a Payment Risk Control System

The article explains the functional and non‑functional requirements, common pitfalls, and detailed architecture—including real‑time, near‑real‑time, and batch engines, rule and penalty centers, and CEP technology—of a payment risk control system aimed at detecting and mitigating fraud while maintaining performance and flexibility.

Big DataCEPPayment Security
0 likes · 12 min read
Design and Architecture of a Payment Risk Control System