【正文】 .........................................................................257 Serving Video Key Points ..................................................................................258 Serving Thumbnails ..........................................................................................258 Databases ........................................................................................................259 Data Center Strategy .........................................................................................261 Lessons Learned ......................................................................................................261 1. Jesse April 10th ...............................................................262 Library .................................................................................................................268 Friendster Architecture ..........................................................................................274 Information Sources ..............................................................................................275 Platform.................................................................................................................275 What39。s Inside...........................................................................................................285 Lessons Learned ......................................................................................................288 ? Wikimedia architecture .............................................................................................289 Information Sources .................................................................................................290 Platform .................................................................................................................290 The Stats.................................................................................................................290 The Architecture ......................................................................................................291 Lessons Learned ......................................................................................................292 ? Scaling Early Stage Startups ......................................................................................294 Information Sources .................................................................................................294 The Platform ...........................................................................................................294 The Architecture ......................................................................................................295 Lessons Learned ......................................................................................................296 ? Database parallelism choices greatly impact scalability ..................................297 ? Introduction to Distributed System Design .............................................................299 Table of Contents ...........................................................................................299 Audience and PreRequisites .........................................................................299 The Basics .....................................................................................................299 So How Is It Done? ........................................................................................303 Remote Procedure Calls ................................................................................306 Some Distributed Design Principles................................................................308 Exercises .......................................................................................................309 References.....................................................................................................310 ? Flickr Architecture ...................................................................................................310 Information Sources ................................................................................................. 311 Platform ................................................................................................................. 311 The Stats.................................................................................................................312 The Architecture ......................................................................................................312 Lessons Learned ......................................................................................................317 Comments ..............................................................................................................319 How to store images? ........................................................................................319 RE: How to store images? ..................................................................................320 ? Amazon Architecture................................................................................................320 Information Sources .................................................................................................321 Platform .................................................................................................................321 The Stats.................................................................................................................322 The Architecture ......................................................................................................322 Lessons Learned ......................................................................................................326 Comments ..............................................................................................................331 Jeff.. Bazos?.....