How Zhengzhou Bank Boosted Delivery Speed 2.3× with DevOps Standard Assessment
Zhengzhou Bank’s new retail loan system passed the third‑level DevOps continuous‑delivery assessment, leading to a 2.31‑fold increase in annual delivery demand, an 18‑day reduction in cycle time, and a shift to automated, seconds‑level environment delivery, illustrating the transformative power of standardized DevOps practices.
Interview with Zhengzhou Bank
On October 22, 2021, the DevOps International Summit in Beijing announced that Zhengzhou Bank’s new retail loan system achieved Level 3 continuous‑delivery assessment, marking the first micro‑service‑based system in the bank to meet the China Academy of Information and Communications Technology (CAICT) DevOps maturity model.
Bank General Manager Jia Aijun explained that the bank’s digital transformation began in 2018 with core system upgrades and cloud initiatives, leading to the adoption of the DevOps standard to improve efficiency, quality, and cross‑functional collaboration.
Key Benefits and Improvements
The assessment intensified the DevOps culture, resulting in over thirty systems now built with continuous‑delivery capabilities, and made continuous delivery a standard step in project initiation.
Process automation increased approval precision and speed, while quality management saw higher unit‑test coverage, faster technical‑debt reduction, and richer quality checks.
Quantitative results include a 2.31‑times rise in annual delivery demand, an 18‑day reduction in average delivery cycle, a 1.78‑times increase in daily build count, and a shift from scheduled to on‑demand monthly releases (average six releases per month).
System Architecture and Design
The new retail loan system is a unified credit‑management platform for individuals, micro‑enterprises, and small businesses, built on an open‑source micro‑service framework with over twenty services, emphasizing rapid value flow, high stability, and reliability.
Challenges and Solutions
Key challenges included rapidly increasing unit‑test coverage from 30% to 80%, addressing over 4,000 technical debts, and automating pipeline errors. Dedicated teams provided one‑on‑one guidance, enforced code reviews, and introduced automated testing and scanning tools.
End‑to‑end process optimization required cross‑department coordination, leading to automated environment delivery that reduced provisioning time from days to seconds and enabled on‑demand change approvals.
Future Plans
Looking ahead, the bank aims to embed security throughout the development‑to‑operations lifecycle and build an integrated platform for all technology staff, further enhancing efficiency, cost reduction, and high‑quality development.
DevOps Maturity Model Overview
The DevOps Capability Maturity Model, jointly developed by CAICT, cloud‑computing alliances, and leading internet companies, became the world’s first international DevOps standard when adopted by ITU‑T in July 2020. It covers agile management, continuous delivery, technical operations, application design, security, risk management, and tooling.
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