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Zhongtong Tech

Integrating industry and information for digital efficiency, advancing Zhongtong Express's high-quality development through digitalization. This is the public channel of Zhongtong's tech team, delivering internal tech insights, product news, job openings, and event updates. Stay tuned!

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Recent Articles

Latest from Zhongtong Tech

40 recent articles
Zhongtong Tech
Zhongtong Tech
May 28, 2021 · Operations

Why Locust Is the Python Powerhouse for Load Testing: Features, Tips, and Real‑World Insights

This article introduces the Python‑based Locust load‑testing framework, explains its event‑driven architecture, weight‑based task distribution, command‑line and web UI operation, distributed execution, and practical usage patterns, then evaluates its advantages, drawbacks, and suitability for performance testing projects.

Distributed TestingLoad TestingLocust
0 likes · 10 min read
Why Locust Is the Python Powerhouse for Load Testing: Features, Tips, and Real‑World Insights
Zhongtong Tech
Zhongtong Tech
May 11, 2021 · Cloud Native

Why Ingress‑NGINX Crashed: Hidden TLS Secret Pitfall and How to Fix It

A morning outage revealed an ingress‑nginx CrashLoopBackOff caused by a non‑TLS secret, and this article walks through the log analysis, code inspection of the controller startup, the faulty extractTLSSecretName logic, and the two‑pronged fix to prevent future crashes.

ControllerCrashLoopBackOffDebugging
0 likes · 14 min read
Why Ingress‑NGINX Crashed: Hidden TLS Secret Pitfall and How to Fix It
Zhongtong Tech
Zhongtong Tech
Apr 2, 2021 · Operations

How Zhongtong Boosted Software Quality with a Scalable Code Coverage System

This article explains how Zhongtong implemented a Java‑based code‑coverage service using Jacoco, integrated it into their CI pipeline, generated multi‑dimensional coverage reports, and refined testing workflows to improve software quality and reduce untested code.

JaCoCocode coveragecontinuous integration
0 likes · 7 min read
How Zhongtong Boosted Software Quality with a Scalable Code Coverage System
Zhongtong Tech
Zhongtong Tech
Oct 30, 2020 · Big Data

How Apache Kylin Supercharged OLAP at ZTO Express: A Deep Dive

This article details ZTO Express's journey of adopting Apache Kylin for OLAP, comparing it with Presto, describing platform architecture, performance gains, integration with scheduling and monitoring systems, and the practical optimizations and future plans that enabled sub‑second query responses on massive daily data volumes.

Apache KylinBig DataHBase
0 likes · 16 min read
How Apache Kylin Supercharged OLAP at ZTO Express: A Deep Dive
Zhongtong Tech
Zhongtong Tech
Jul 25, 2020 · Operations

How ZTO Express Leveraged Technology to Become China’s Logistics Leader

This presentation details ZTO Express’s rapid rise from a modest startup to the world’s largest courier by exploring its technology‑driven business model, crowd‑funded expansion, electronic waybills, smart routing, AI customer service, employee equity schemes, and future digital logistics strategies.

AILogisticsbusiness model
0 likes · 27 min read
How ZTO Express Leveraged Technology to Become China’s Logistics Leader
Zhongtong Tech
Zhongtong Tech
Jun 1, 2020 · Backend Development

How ZTO Express Built ZMS: A Scalable Cloud‑Native Message Middleware Platform

ZMS is ZTO Express's cloud‑native message middleware platform built on RocketMQ and Kafka that automates deployment, provides a unified SDK, supports multi‑datacenter operation, and offers comprehensive monitoring, enabling seamless scaling and fault‑tolerant messaging for billions of daily events.

Message MiddlewareRocketMQcloud‑native
0 likes · 8 min read
How ZTO Express Built ZMS: A Scalable Cloud‑Native Message Middleware Platform