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Jingdong book

高扩展性网站的50条原则

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高扩展性网站的50条原则

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经典图书修订版
网站运营的宝典
详细分析网站扩展性的通用原则
业内专家多年实战总结,***书店好评如潮

网站建设是一项复杂的工程,随着规模的扩大,许多网站势必会遇到严重的性能和可扩展性问题。大量用户涌入时如何保证网站不崩溃?如何缩短页面载入时间?这都是摆在网站开发和运维人员面前迫待解决的问题。
Content Description

《高扩展性网站的50条原则》给出了设计高扩展网站的50条原则,如不要过度设计、设计时就考虑扩展性、把方案简化3倍以上、减少DNS查找、尽可能减少对象等,每个原则都与不同的主题绑定在一起。大部分原则是面向技术的,只有少量原则解决的是与关键习惯和方法有关的问题,当然,每个原则都对构建可扩展的产品至关重要。
Author Description

Martin L. Abbott业界管理者,曾参与管理过多家世界500强企业和创业公司。AKF Partners公司创始人。曾任Quigo公司首席运营官(该公司后被AOL收购),eBay公司高级副总裁和首席技术官,还曾在Gateway和摩托罗拉担任重要职位。现任多家技术公司董事,多所高校、公共机构以及私企的咨询顾问。Martin分别于西点军校和佛罗里达大学取得计算机学士和硕士学位,并参加过哈佛大学商学院高级经理培训,目前在西储大学攻读博士学位。Michael T. Fisher业界管理者,曾参与管理过多家世界500强企业和创业公司。AKF Partners公司创始人。曾任Quigo公司首席技术官、总裁,PayPal公司工程和架构部门副总裁。曾在通用电器工作7年,帮助制定公司的技术战略。目前担任多家私企和非营利机构的董事和顾问。Michael毕业于西点军校,是六西格玛黑带大师,目前在西储大学攻读博士学位。
Catalogue

第1 章 化简方程 1
1.1 原则1:不要过度设计 2
1.2 原则2:设计时就考虑扩展性(D-I-D 方法) 6
1.2.1 设计 7
1.2.2 实现 8
1.2.3 部署 8
1.3 原则3:把方案一简再简 10
1.3.1 如何简化范围 10
1.3.2 如何简化设计 11
1.3.3 如何简化实施 12
1.4 原则4:减少DNS 查找 13
1.5 原则5:尽可能减少对象 16
1.6 原则6:使用同一品牌的网络设备 19
1.7 小结 21
参考资料 21
第2 章 分布工作 23
2.1 原则7:横向复制(X 轴原则) 25
2.2 原则8:拆分不同的东西(Y 轴原则) 29
2.3 原则9:拆分相近的东西(Z 轴原则) 32
2.4 小结 34
参考资料 34第3 章 横向扩展设计 35
3.1 原则10:设计横向扩展方案 36
3.2 原则11:采用经济型系统 39
3.3 原则12:横向扩展数据中心 42
3.4 原则13:利用云技术进行设计 48
3.5 小结 50
参考资料 50
第4 章 使用正确的工具 51
4.1 原则14:合理使用数据库 52
4.2 原则15:防火墙,到处都是防火墙 59
4.3 原则16:积极利用日志文件 63
4.4 小结 66
参考资料 66
第5 章 不要重复工作 67
5.1 原则17:不要立即检查刚做过的工作 68
5.2 原则18:停止重定向 72
5.3 原则19:放松时序约束 77
5.4 小结 80
参考资料 80
第6 章 积极利用缓存 81
6.1 原则20:利用CDN 82
6.2 原则21:使用过期头 85
6.3 原则22:缓存Ajax 调用 90
6.4 原则23:利用页面缓存 95
6.5 原则24:利用应用缓存 98
6.6 原则25:利用对象缓存 102
6.7 原则26:把对象缓存放在自己的“层”上 1056.8 小结 107
参考资料 107
第7 章 从错误中吸取教训 109
7.1 原则27:积极地学习 110
7.2 原则28:不要依靠QA 发现失误 113
7.3 原则29:没有回退功能的设计是失败的设计 117
7.4 原则30:讨论失败并从中吸取教训 120
7.5 小结 124
参考资料 124
第8 章 数据库原则 125
8.1 原则31:注意代价高的关系 126
8.2 原则32:使用类型正确的数据库锁 130
8.3 原则33:不要使用多阶段提交 133
8.4 原则34:不要使用SELECT FOR UPDATE 135
8.5 原则35:不要选择所有数据 137
8.6 小结 140
参考资料 140
第9 章 容错设计与故障控制 141
9.1 原则36:采用隔离故障的“泳道” 142
9.2 原则37:绝对不要信任单点故障 148
9.3 原则38:避免系统串联 151
9.4 原则39:确保能够启用/禁用功能 155
9.5 小结 158
第10 章 避免或分发状态 159
10.1 原则40:努力实现无状态 161
10.2 原则41:尽可能在浏览器端维护会话 16410.3 原则42:利用分布式缓存存放状态 167
10.4 小结 170
参考资料 170
第11 章 异步通信和消息总线 171
11.1 原则43:尽可能使用异步通信 172
11.2 原则44:确保消息总线能够扩展 175
11.3 原则45:避免让消息总线过度拥挤 179
11.4 小结 182
第12 章 其他原则 183
12.1 原则46:慎用第三方解决方案扩展 184
12.2 原则47:清除、归档和成本合理的存储 187
12.3 原则48:删除事务处理中的商业智能 192
12.4 原则49:设计能够监控的应用 195
12.5 原则50:要能胜任 199
12.6 小结 202
参考资料 202
第13 章 原则回顾和优先级划分 203
13.1 评估扩展项目和主动权的风险?收益模型 204
13.2 扩展原则的收益/优先级等级 235
13.3 小结 238

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