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Meitu Technology

Jan 24, 2018 · Backend Development

Design of a High-Concurrency Virtual Item Trading System

Meipai’s virtual‑item trading system, built to support over 100,000 daily live streams and millions of concurrent viewers, must process tens of thousands of requests per second while guaranteeing strong data consistency and high availability, and this talk by technical director Guo Chenhui explains the key design choices and trade‑offs employed.

backend architecturehigh concurrencylive streaming

0 likes · 2 min read

Design of a High-Concurrency Virtual Item Trading System

Qunar Tech Salon

Jul 25, 2017 · Databases

Schemaless Document Model for Trading System Order Storage

The article explains how a schemaless JSON document model stored in a relational database can replace traditional relational tables for trading system orders, reducing schema change costs, improving flexibility, and ensuring consistency through version‑based optimistic locking and real‑time Elasticsearch indexing.

Database DesignElasticsearchdocument model

0 likes · 8 min read

Schemaless Document Model for Trading System Order Storage

DevOps

Mar 25, 2016 · Operations

Case Study: The 2005 Mizuho Securities Fat‑Finger Trading Error and Its Legal Aftermath

The 2005 Mizuho Securities “fat‑finger” incident, caused by a trader’s input error and a hidden bug in the Tokyo Stock Exchange’s Fujitsu‑built trading system, led to a ¥400 billion loss, sparking extensive litigation that highlighted responsibilities for software bugs, system testing, and operational risk management.

financial systemslegal caseoperational risk

0 likes · 12 min read

Case Study: The 2005 Mizuho Securities Fat‑Finger Trading Error and Its Legal Aftermath