Why do we need system design

• Novice, http://url.cn/ZrlZtf
• Novice, http://url.cn/YrnOHy

1. Design Netflix

   General

   • Expert, http://url.cn/fn5mWs
   • Expert, http://url.cn/cehN0N
   • Expert/Master, http://url.cn/Ui5CoP

   • Master, http://url.cn/d2fblH

     Data

   • Expert, http://url.cn/UVzYRH

   • Expert, http://url.cn/eRn6Ff

     Recommendation module

   • Expert, http://url.cn/Shsrpd

     Improve performance with inverted index

   • Novice, http://url.cn/VoPF6w

     Homework

   • http://www.jiuzhang.com/qa/50/

2. Design Database

   User

   • Novice, http://url.cn/ZtCS09

     User Table

   • Novice, http://url.cn/ZjEKOm

     User V2

   • Expert, http://url.cn/HtwOCR

   • Expert, http://url.cn/agKqsn

     Session

   • Novice, http://url.cn/YTXtU6

   • Expert, http://url.cn/g8faDE

   • Master, http://url.cn/LsyovG

     Inheritance

   • Novice, http://url.cn/TW5RYp

   • Expert, http://url.cn/aaAS9U

   • Master, http://url.cn/bFkGUj

     Index with Hash

   • Master, http://url.cn/0IP1eQ

     Index with BST

   • Expert, http://url.cn/T4dvVH

     Index with B+ tree

   • Master, http://url.cn/UnKnTc

   • Master, http://url.cn/DA3mKn

   • Master, http://url.cn/3sLkWT

     Transaction log

   • Expert, http://url.cn/Sp4ORB

   • Master, http://url.cn/Ni1lxL

   • Diamond, http://url.cn/OAwnmr

     Duplication

   • Master, http://url.cn/bsBiDk

   • Master, http://url.cn/d1BrZU

     ACID

   • Novice, http://url.cn/UsRaJS

   • Master, http://url.cn/SJdvlr

     Design Paypal

   • Novice, http://url.cn/iTJ1JF

   • Expert, http://url.cn/2eHHsU

   • Expert/Master, http://url.cn/kPMc7X

     Homework

   • http://www.jiuzhang.com/qa/88/

3. Web Crawler & Tiny URL

   General

   • Novice/Expert/Master, http://url.cn/f8Jgl4

     Crawl a page in Python

   • Novice/Expert/Master, http://url.cn/NEHw7J

   • Novice/Expert, http://url.cn/ZANYur
   • Expert, http://url.cn/agT8mg
   • Expert, http://url.cn/SOBO8x

   • Expert/Master, http://url.cn/1eHONm

     Call center vs. Web server

   • Expert, http://url.cn/PPdzXg

   • Master, http://url.cn/UqYdJV

     Layers

   • Expert, http://url.cn/ZX9hMs

   • Master, http://url.cn/RTPIgV

     Web page

   • Novice/Expert/Master, http://url.cn/3Tdi9B

     Identify the link of news

   • Novice/Expert, http://url.cn/TWdTap

   • Novice/Expert, http://url.cn/a8U9VH

   • Expert/Master, http://url.cn/dI93as

     Conditional Variable

   • Novice, http://url.cn/44qusn

   • Novice, http://url.cn/cYsLZ3
   • Expert, http://url.cn/coAAeW
   • Expert, http://url.cn/TNVxRu

   • Expert, http://url.cn/edIy1C

     Semaphore

   • Novice, http://url.cn/XWQJWo

   • Novice, http://url.cn/g7xO6G
   • Expert, http://url.cn/daQTsi
   • Expert, http://url.cn/YUG6Nd

   • Expert/Master, http://url.cn/a9NI3i

     Thread-safe consumer and producer

   • Novice, http://url.cn/cNG8WK

   • Expert, http://url.cn/cFPpaN
   • Expert, http://url.cn/C1lIpq
   • Expert/Master, http://url.cn/6CCw4i
   • Master, http://url.cn/9kdFF2
   • Master, http://url.cn/ORvrlX

   • Master, http://url.cn/dYRtFj

     Design TinyURL

   • Novice, https://goo.gl/

   • Novice/Expert, http://url.cn/bycYvq
   • Novice/Expert/Master, http://url.cn/aXRa8e

   • Expert, http://url.cn/euBds7

     Follow up

   • Master, http://url.cn/dr4uux

   • Novice, http://www.xn--vi8hiv.ws/

4. Web Service and Rate Limiter

   Visiting

   • Book, http://url.cn/69ymwC

     How to identify a user in web server

   • Expert, http://url.cn/ekitAe Expert

   • Master, http://url.cn/YXlLcz

     How to collect the data of failure rate

   • Expert, http://url.cn/bfddpB

   • Expert, http://url.cn/4ffk7f

     What is the process of playing music

   • Expert, http://url.cn/XEgh6x

   • Master, http://url.cn/Y1Lv3V
   • Expert, http://url.cn/eqCFbY
   • Expert, http://url.cn/bGKraS
   • Master, http://url.cn/7tnaFV

   • Expert, http://url.cn/ewsXrs

     **Reverse proxy with more servers

   • Novice, http://url.cn/ccjApK

   • Novice, http://url.cn/dNj6oD
   • Expert, http://url.cn/cO2IbS

   • Expert, http://url.cn/bnLZTx

     Reduce the size of webpage

   • Novice: http://url.cn/bRZz2M

   • Novice: http://url.cn/dZAjfO

     More cacheable pages

   • Expert: http://url.cn/ePPuo6

     Content Delivery Work

   • Novice, http://url.cn/eIedBf

   • Expert, http://url.cn/ZWQrzC

   • Master, http://url.cn/ksWuax

     What is the problem

   • Master: http://url.cn/SLedbA

     Rate Limiter

   • Novice/Expert, http://url.cn/80Ylun

   • Master, http://url.cn/dVVjyr

   • Master, http://url.cn/c5KSaU

     Algorithm of time-bucket with Database

   • Expert, http://url.cn/bC1Nvd

   • Expert, http://url.cn/cxdYo3

   • Master, http://url.cn/bIbLsr

     Algorithm of Token Bucket

   • Expert, http://url.cn/cxmNy2

   • Expert, http://url.cn/TaEtSw

   • Expert, http://url.cn/dWlSB3

     秒杀

   • Novice, http://url.cn/WaKqHR

   • Novice, http://url.cn/dd88AI
   • Novice, http://url.cn/fRH9hi
   • Expert, http://url.cn/aw3MJe
   • Expert/Master, http://url.cn/cTJ5aP

   • Master, http://url.cn/ZfSCTT

     Homework: 12306

   • http://www.jiuzhang.com/qa/107/

   • Expert, http://url.cn/UgpSk7
   • Expert, http://url.cn/7paBUZ
   • Master, http://url.cn/1DVxxa