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敏捷之旅——西安站演讲PPT
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Develop Release
Learn Iterate
Agile Tour ——西安
乔梁
百度项目管理部 ,高级架构师
InfoQ 敏捷社区, 特约编辑
《持续集成》专栏作者
Agenda
Business Driven & Capability
Principle & Practice
88%的CEO认为,企业敏捷是成功的关键因素。
其中,一半以上的人认为,敏捷不只是重要,而且是核心竞争力。
Source: The Economist, Special Report on Agility. March 2009
进一步提高业务响应能力的主要障碍是:
– 冗长的决策过程
– 部门目标与优先级之间的冲突
– 避免承担风险的文化
– 以及“筒仓式”的信息孤岛
Economist Intelligence Unit:”Organizational agility:
How business can survive and thrive in turbulent times”
http://code.flickr.com
code.flickr.com
How about others?
Team size: 50 Cycle time: 15min Frequency : 50 times
Large Organizations
Why?
Develop Release
Pray for customer
Develop Release
Learn Iterate
Learn Faster
Measure Faster
Build Faster
Measure Faster
constant flow of new features into production incremental release of small changes
Benefit?
Build the right thing
Every business idea is
a hypothesis until you
get feedback.
Problem
Hypothesis
Idea #1 Idea #2
Idea #3
reliability & stability
Reduce risk of release
real progress
DONE means release
dev
test
released
scope
A B
Continuous Delivery is great, but Taking the plunge is scary as hell
How
Continuous Delivery
always write production-ready code minimize the lead time from idea to live
Another Story
Context
a complex software
ecosystem
Context
一个复杂的软件生态系统
Context
7+ Modules
10 years c/c++ legacy code
Few automation tests for a single Module
Deploy on 170+ boxes
7 Devs + 2 QAs
6 months ago
three months big-bang release
lots of hot-fix and argent requests
now
three weeks release
few hot-fix
Actions
Deployment Pipeline
Compile A quick
quick quick
Module level
Subsystem System
slow
Staging Production
Compile B quick
Compile E quick
… … … … …
Small batch
Single branch
Automation testing
Automation deployment
One-click release
Everything is code
Reality simulating
Pipeline monitoring
Stop the line
How about big features
Feature toggle
Branching by abstraction
How about “Deployment Down Time”
Canary release
Canary release
Blue-green deployment
Blue-green deployment
Database migration
How about “performance-issued Featrue”
Dark launching
Dark launching
It is not impossible, but it is difficult
What you can do
Automation
Automation
Automation
Practice
Practice
Practice
People
People
People
What would you get
What would you get
What would you get
微博: http://weibo.com/Tony1130 博客: http://blog.csdn.net/Tony1130 邮件: [email protected] 中文站:www.continuousdelivery.info