Real‑time Risk Control Practices at NetEase Games Using Apache Flink

The article details NetEase Games' challenges in payment‑environment risk control and explains how they transformed a T+1 batch workflow into a fully real‑time risk‑control system with Apache Flink, describing the platform architecture, data modeling, session windows, joins, and future development plans.

Big DataFlinkReal-time Risk Control

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Real‑time Risk Control Practices at NetEase Games Using Apache Flink

Ctrip Technology

Jan 18, 2018 · Big Data

Efficient IP Geolocation Using In-Memory Red-Black Tree in Real-Time Risk Control

This article describes how Ctrip's risk control system stores static IP location data in memory, transforms it into a red‑black tree for fast lookup, and outlines the data conversion process from database JSON to compact in‑memory structures, achieving high concurrency and low latency.

IP geolocationReal-time Risk ControlRed-Black Tree

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Efficient IP Geolocation Using In-Memory Red-Black Tree in Real-Time Risk Control