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Apr 12, 2026 · R&D Management

From Broken Go Microservices to a High‑Performance DevOps Culture: A Tech Director’s Playbook

A former tech director recounts how he rescued a fragile Go micro‑service system, rebuilt the product with a lean four‑person team, introduced DevOps practices, and later pioneered digital‑learning tools and AI experiments, illustrating practical leadership, engineering efficiency, and product‑centric transformation.

DevOpsDigital TransformationEngineering Efficiency

0 likes · 14 min read

From Broken Go Microservices to a High‑Performance DevOps Culture: A Tech Director’s Playbook

vivo Internet Technology

Jun 26, 2024 · R&D Management

Vivo Engineering Efficiency Team: VCR Platform Development and Code Review Plugin Implementation

The article describes Vivo's Engineering Efficiency team's VCR platform, built on GitLab and Gerrit, detailing the design and implementation of code‑review plugins, challenges faced, architectural integration, customization techniques, and future directions toward automated and AI‑enhanced code review.

Automated TestingCode reviewEngineering Efficiency

0 likes · 15 min read

Vivo Engineering Efficiency Team: VCR Platform Development and Code Review Plugin Implementation

Continuous Delivery 2.0

Apr 28, 2024 · Operations

Engineering Efficiency, Infrastructure Debt, and the Rise of Platform Engineering

The article analyzes how rapid business growth over the past two decades masked engineering efficiency issues, explains why the slowdown of the internet market now forces companies to confront infrastructure debt and tool platform problems, and outlines how platform engineering and DevOps principles can restore productivity and align engineering goals.

Engineering Efficiencyinfrastructure debtplatform engineering

0 likes · 9 min read

Engineering Efficiency, Infrastructure Debt, and the Rise of Platform Engineering

Continuous Delivery 2.0

Feb 10, 2022 · R&D Management

Five Non‑Traditional Metrics CTOs Should Track for Development Efficiency

The article outlines five unconventional performance indicators—commit‑to‑deploy time, build time, queue time, master‑branch health, and engineering overhead—explaining their meanings, measurement methods, cost implications, and why CTOs need to monitor them to improve software delivery speed and quality.

Build TimeCTODevOps

0 likes · 10 min read

Five Non‑Traditional Metrics CTOs Should Track for Development Efficiency

Qunar Tech Salon

Sep 14, 2020 · Operations

Qunar & Keep Technical Salon: DevOps Continuous Delivery and Test Environment Management Practices

The September 7, 2020 technical salon hosted by Qunar's infrastructure R&D team, in collaboration with Keep, gathered over 20 engineering experts to discuss DevOps continuous delivery, test environment management platforms such as Noah, Portal, MPortal, and Thanos, and share practical experiences and architectural choices.

Continuous DeliveryDevOpsEngineering Efficiency

0 likes · 5 min read

Qunar & Keep Technical Salon: DevOps Continuous Delivery and Test Environment Management Practices

Didi Tech

Jul 21, 2020 · R&D Management

Evolution of DiDi's Engineering Efficiency and Data Platform Construction

DiDi’s engineering‑efficiency team progressed from using open‑source tools to building custom solutions and finally platformizing domain‑specific services, creating a three‑layer data platform—data collection, computation, and application—that standardizes metrics, visualizes R&D costs, and enables data‑driven decision‑making across the organization.

Engineering EfficiencySoftware Engineeringproductivity

0 likes · 12 min read

Evolution of DiDi's Engineering Efficiency and Data Platform Construction

Efficient Ops

May 12, 2020 · Operations

From a Butterfly Effect to DevOps Mastery: Lessons from a Seasoned Engineer

In this interview, DevOps veteran Shi Xuefeng shares how tiny decisions shaped his career, outlines the "Spinach Principle" and "Three‑Heart Rule," and explains why systematic engineering efficiency and DevOps adoption are critical for modern enterprises.

Career DevelopmentDevOpsEngineering Efficiency

0 likes · 12 min read

From a Butterfly Effect to DevOps Mastery: Lessons from a Seasoned Engineer

DevOpsClub

Jul 16, 2019 · Operations

How Microsoft Shifted Testing Left to Accelerate DevOps Efficiency

Microsoft’s Azure DevOps team dramatically improved engineering efficiency by adopting a shift‑left testing strategy, replacing thousands of legacy functional tests with fast, reliable unit and integration tests, establishing six testing principles, a tiered test pyramid, and data‑driven metrics that now enable tens of thousands of daily releases.

DevOpsEngineering EfficiencyMicrosoft Azure

0 likes · 15 min read

How Microsoft Shifted Testing Left to Accelerate DevOps Efficiency

JD Retail Technology

Jun 3, 2019 · Operations

7FRESH Agile Engineering Practices: Automation, CI/CD, and Metrics

This article introduces 7FRESH's agile engineering practices, focusing on automation testing platforms, continuous integration pipelines, and agile metrics systems to enhance delivery efficiency and quality.

CI/CD pipelineEngineering Efficiencyagile engineering

0 likes · 7 min read

7FRESH Agile Engineering Practices: Automation, CI/CD, and Metrics

Efficient Ops

May 28, 2019 · Operations

How Data Drives DevOps Innovation at Qunar: A Metrics-Based Journey

Senior Director Wang Xiaoxiang of Qunar shares how a data‑centric, metrics‑driven DevOps approach transformed the company's engineering efficiency, detailing Qunar’s measurement model, indicator definitions, technology choices, results, and strategies for leveraging metrics to continuously improve the software delivery lifecycle.

Continuous DeliveryData-drivenEngineering Efficiency

0 likes · 3 min read

How Data Drives DevOps Innovation at Qunar: A Metrics-Based Journey

Alibaba Cloud Developer

Jun 25, 2018 · Fundamentals

How to Turn Tactical Hard Work into Strategic Knowledge Growth

The article explores why many engineers repeat tasks without building lasting knowledge, explains how systematic practice, thorough review, and logical reasoning can transform isolated experiences into a connected web of expertise, and illustrates these ideas with a real MySQL connection‑slow case study.

Engineering Efficiencydatabasesknowledge management

0 likes · 8 min read

How to Turn Tactical Hard Work into Strategic Knowledge Growth

21CTO

Sep 1, 2017 · Fundamentals

How Many Lines of Code Does a Google Engineer Write Each Day?

A Google AdMob engineer measured his own and his teammates' daily code changes, finding an average of about 150 lines per day, which leads to an estimate of roughly four million lines of code written across Google every day.

Engineering EfficiencyGoogle engineeringcode metrics

0 likes · 3 min read

How Many Lines of Code Does a Google Engineer Write Each Day?

DevOps

May 11, 2017 · Operations

Understanding DevOps: Principles, Differences from Traditional Models, Challenges, and Measurement

This article explains what DevOps is, contrasts it with traditional development‑operations workflows, discusses its benefits and drawbacks, outlines key challenges such as balancing efficiency with stability, responsibility allocation, and assessment, and presents four metrics for evaluating DevOps effectiveness.

AutomationDevOpsEngineering Efficiency

0 likes · 9 min read

Understanding DevOps: Principles, Differences from Traditional Models, Challenges, and Measurement