Submit Search
Upload
探讨Web优化
•
Download as PPTX, PDF
•
3 likes
•
732 views
D
dynamiclu
Follow
Report
Share
Report
Share
1 of 21
Download now
Recommended
第2章 服务器管理
第2章 服务器管理
zhang shuren
Lvs基本原理和配置课件
Lvs基本原理和配置课件
galen700
introduce Okhttp
introduce Okhttp
朋 王
Mysql multi threaded_server_introduction
Mysql multi threaded_server_introduction
lazydba
Tech.days Taiwan AZR305
Tech.days Taiwan AZR305
Jeff Chu
1 4
1 4
林 暉恩
Customer focus and customer retention
Customer focus and customer retention
TheBSIIndia
Vacon abp presentation på börseftermiddagen i Mariehamn november 2011
Vacon abp presentation på börseftermiddagen i Mariehamn november 2011
Ålands Näringsliv
Recommended
第2章 服务器管理
第2章 服务器管理
zhang shuren
Lvs基本原理和配置课件
Lvs基本原理和配置课件
galen700
introduce Okhttp
introduce Okhttp
朋 王
Mysql multi threaded_server_introduction
Mysql multi threaded_server_introduction
lazydba
Tech.days Taiwan AZR305
Tech.days Taiwan AZR305
Jeff Chu
1 4
1 4
林 暉恩
Customer focus and customer retention
Customer focus and customer retention
TheBSIIndia
Vacon abp presentation på börseftermiddagen i Mariehamn november 2011
Vacon abp presentation på börseftermiddagen i Mariehamn november 2011
Ålands Näringsliv
Presentació anglès
Presentació anglès
pautaroisaacaidagemma
Customer accomodation.report
Customer accomodation.report
Arman Jayson
Loyalty and customer focus tena
Loyalty and customer focus tena
Jorge Wise
Näringslivsdagen 2010. Jarnheimer customer focus eng
Näringslivsdagen 2010. Jarnheimer customer focus eng
Ålands Näringsliv
Mentorskap företagarskolan
Mentorskap företagarskolan
Ålands Näringsliv
Total Customer Focus: Changing customer relationships where it matters most
Total Customer Focus: Changing customer relationships where it matters most
Global Partners Inc.
Customer Focus
Customer Focus
Gopalam Karamchedu
RELANTIONSHIP MARKETING As A TOOL
RELANTIONSHIP MARKETING As A TOOL
Amarnath Krishnan
Relationship marketing
Relationship marketing
Kira_Lio
Customer focus and relationship management
Customer focus and relationship management
Uday Koganti
Customer Focus
Customer Focus
aiesechyderabad
10 Habits of Successful Creative People: How to change your mind and build cr...
10 Habits of Successful Creative People: How to change your mind and build cr...
Yuan Wang
Relationship marketing
Relationship marketing
Naveen Prasad
Brochura lidando com dramas familiares Igreja do Nazareno
Brochura lidando com dramas familiares Igreja do Nazareno
Jose Heleno Gomes Pereira
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Destinasjon Trysil
Comoinstalaramor
Comoinstalaramor
Juan Gonzalez
Een onderzoek naar gefailleerde herstarters in vlaanderen
Een onderzoek naar gefailleerde herstarters in vlaanderen
Bouckaert
Book week1
Book week1
jwhiteside
11
11
haticeakser
սամվել
սամվել
Ashkhen Grigoryan
实时Web的前世今生未来
实时Web的前世今生未来
RolfZhang
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
Scourgen Hong
More Related Content
Viewers also liked
Presentació anglès
Presentació anglès
pautaroisaacaidagemma
Customer accomodation.report
Customer accomodation.report
Arman Jayson
Loyalty and customer focus tena
Loyalty and customer focus tena
Jorge Wise
Näringslivsdagen 2010. Jarnheimer customer focus eng
Näringslivsdagen 2010. Jarnheimer customer focus eng
Ålands Näringsliv
Mentorskap företagarskolan
Mentorskap företagarskolan
Ålands Näringsliv
Total Customer Focus: Changing customer relationships where it matters most
Total Customer Focus: Changing customer relationships where it matters most
Global Partners Inc.
Customer Focus
Customer Focus
Gopalam Karamchedu
RELANTIONSHIP MARKETING As A TOOL
RELANTIONSHIP MARKETING As A TOOL
Amarnath Krishnan
Relationship marketing
Relationship marketing
Kira_Lio
Customer focus and relationship management
Customer focus and relationship management
Uday Koganti
Customer Focus
Customer Focus
aiesechyderabad
10 Habits of Successful Creative People: How to change your mind and build cr...
10 Habits of Successful Creative People: How to change your mind and build cr...
Yuan Wang
Relationship marketing
Relationship marketing
Naveen Prasad
Brochura lidando com dramas familiares Igreja do Nazareno
Brochura lidando com dramas familiares Igreja do Nazareno
Jose Heleno Gomes Pereira
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Destinasjon Trysil
Comoinstalaramor
Comoinstalaramor
Juan Gonzalez
Een onderzoek naar gefailleerde herstarters in vlaanderen
Een onderzoek naar gefailleerde herstarters in vlaanderen
Bouckaert
Book week1
Book week1
jwhiteside
11
11
haticeakser
սամվել
սամվել
Ashkhen Grigoryan
Viewers also liked
(20)
Presentació anglès
Presentació anglès
Customer accomodation.report
Customer accomodation.report
Loyalty and customer focus tena
Loyalty and customer focus tena
Näringslivsdagen 2010. Jarnheimer customer focus eng
Näringslivsdagen 2010. Jarnheimer customer focus eng
Mentorskap företagarskolan
Mentorskap företagarskolan
Total Customer Focus: Changing customer relationships where it matters most
Total Customer Focus: Changing customer relationships where it matters most
Customer Focus
Customer Focus
RELANTIONSHIP MARKETING As A TOOL
RELANTIONSHIP MARKETING As A TOOL
Relationship marketing
Relationship marketing
Customer focus and relationship management
Customer focus and relationship management
Customer Focus
Customer Focus
10 Habits of Successful Creative People: How to change your mind and build cr...
10 Habits of Successful Creative People: How to change your mind and build cr...
Relationship marketing
Relationship marketing
Brochura lidando com dramas familiares Igreja do Nazareno
Brochura lidando com dramas familiares Igreja do Nazareno
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Frokostmøte 27.okt - Tom Martin Kj. Hartviksen, Ola Alsterholm, Hans Martin N...
Comoinstalaramor
Comoinstalaramor
Een onderzoek naar gefailleerde herstarters in vlaanderen
Een onderzoek naar gefailleerde herstarters in vlaanderen
Book week1
Book week1
11
11
սամվել
սամվել
Similar to 探讨Web优化
实时Web的前世今生未来
实时Web的前世今生未来
RolfZhang
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
Scourgen Hong
大众点评网的技术变迁之路
大众点评网的技术变迁之路
jeffz
[.Net开发交流会][2010.06.19]大众点评网的技术变迁之路(王宏)
[.Net开发交流会][2010.06.19]大众点评网的技术变迁之路(王宏)
Shanda innovation institute
Internet Cloud Operations - ChinaNetcloud & AWS Event Beijing
Internet Cloud Operations - ChinaNetcloud & AWS Event Beijing
ChinaNetCloud
Async programming-2014-08-22-pub
Async programming-2014-08-22-pub
persia cai
鹰眼下的淘宝_EagleEye with Taobao
鹰眼下的淘宝_EagleEye with Taobao
terryice
网易 李弈远 网易服务集成框架的构建与运维
网易 李弈远 网易服务集成框架的构建与运维
guiyingshenxia
网易 李弈远 网易服务集成框架的构建与运维
网易 李弈远 网易服务集成框架的构建与运维
colderboy17
胡涛:Cdn支撑平台构建实践分享
胡涛:Cdn支撑平台构建实践分享
Enlight Chen
Ch03 請求與回應
Ch03 請求與回應
Justin Lin
运维系统开发与Rails 3页面开发实践
运维系统开发与Rails 3页面开发实践
Li JianYe
刘源 人人网服务化与架构变迁V3
刘源 人人网服务化与架构变迁V3
drewz lin
Storage
Storage
Tom Fan
新浪微博平台与安全架构
新浪微博平台与安全架构
n716
2014 Hpocon 黄慧攀 upyun - 平台架构的服务监控
2014 Hpocon 黄慧攀 upyun - 平台架构的服务监控
Michael Zhang
云计算技术与应用
云计算技术与应用
Yang Guanjun
BEA Weblogic Server 8.1 web service training
BEA Weblogic Server 8.1 web service training
williams2014
+++º+ ¦¦ ¦ ¦¦ ¦+ =
+++º+ ¦¦ ¦ ¦¦ ¦+ =
guesta6295f3
Ch03 請求與回應
Ch03 請求與回應
Justin Lin
Similar to 探讨Web优化
(20)
实时Web的前世今生未来
实时Web的前世今生未来
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
从林书豪到全明星 - 虎扑网技术架构如何化解流量高峰
大众点评网的技术变迁之路
大众点评网的技术变迁之路
[.Net开发交流会][2010.06.19]大众点评网的技术变迁之路(王宏)
[.Net开发交流会][2010.06.19]大众点评网的技术变迁之路(王宏)
Internet Cloud Operations - ChinaNetcloud & AWS Event Beijing
Internet Cloud Operations - ChinaNetcloud & AWS Event Beijing
Async programming-2014-08-22-pub
Async programming-2014-08-22-pub
鹰眼下的淘宝_EagleEye with Taobao
鹰眼下的淘宝_EagleEye with Taobao
网易 李弈远 网易服务集成框架的构建与运维
网易 李弈远 网易服务集成框架的构建与运维
网易 李弈远 网易服务集成框架的构建与运维
网易 李弈远 网易服务集成框架的构建与运维
胡涛:Cdn支撑平台构建实践分享
胡涛:Cdn支撑平台构建实践分享
Ch03 請求與回應
Ch03 請求與回應
运维系统开发与Rails 3页面开发实践
运维系统开发与Rails 3页面开发实践
刘源 人人网服务化与架构变迁V3
刘源 人人网服务化与架构变迁V3
Storage
Storage
新浪微博平台与安全架构
新浪微博平台与安全架构
2014 Hpocon 黄慧攀 upyun - 平台架构的服务监控
2014 Hpocon 黄慧攀 upyun - 平台架构的服务监控
云计算技术与应用
云计算技术与应用
BEA Weblogic Server 8.1 web service training
BEA Weblogic Server 8.1 web service training
+++º+ ¦¦ ¦ ¦¦ ¦+ =
+++º+ ¦¦ ¦ ¦¦ ¦+ =
Ch03 請求與回應
Ch03 請求與回應
探讨Web优化
1.
探讨web优化 开发二部:
陆松林
2.
目录 Web服务的过程 服务器并发
实践方法、常见瓶颈 案例 小结
3.
(一)Web服务的过程 web请求 服务
过程图
4.
(一)Web服务的过程 请求步骤: 1.浏览器发起一个请求,本地是否有缓存
2.浏览器真实发起请求服务器时 3.系统层再把连接交给你的server做处理 4. server再把数据交给你的程序处理 5.程序对数据库、缓存处理 6.数据返回给用户 7.用户下次访问
5.
(一)Web服务的过程 web请求时间结构图
6.
(二)服务器并发 服务器请求处理结构图
7.
(二)服务器并发 什么是web服务器? 就作连接、处理和断开三件事
WEB服务器,读取位于网卡的接收缓冲区中,封装在IP包中服务器的请求,然后进行处理,并将结果写到发送缓冲区。
8.
(二)服务器并发 CPU 并发计算
服务器并发 概念点 持久连接 吞吐率 I/O模型
9.
(二)服务器并发 服务器并发策略 一个进程处理一个连接,非阻塞I/O
(fork和prefork) 一个线程处理一个连接,非阻塞I/O (apahce的worker) 一个进程处理多个连接,非阻塞I/O (nginxworker_process) 一个线程处理多个连接,异步I/O (Lighttpd1.5)
10.
(二)服务器并发 服务配置参数示例
11.
(二)服务器并发 线上示例1
12.
(二)服务器并发 线上示例2 代理服务器top图
13.
现象清单,取有效数据 防止过度性能优化设计,投入产出比 分析数据总结规律,找到拐点
加入探针,验证结论 制订计划,非常详细的目标 1 4 5 3 3 2 (三)实践方法、常见瓶颈
14.
(三)实践方法、常见瓶颈 对资源消耗不多, 但程序执行慢的情况
CPU消耗分析 服 务 器 瓶 颈 程序执行慢的原因 文件IO消耗分析 内存消耗分析 网络IO消耗分析 其它
15.
16.
17.
18.
(五)小结 我们作优化工作的目的是什么: A.
增加应用吞吐量,减少网络和应用服务器的投入 B. 用户体验方面的提升,如响应速度,单个请求的响时间 分析入口或评判指标: 1. 系统的整个请求容量 2. 单个请求的响时间
19.
(五)小结 请求优化 小结
20.
(五)小结
Download now