SharePoint 2010 Platform Boundaries

Well the other day I came across this fantastic site pertaining to SP2010 Enterprise Content Management
http://technet.microsoft.com/en-us/sharepoint/hh126808
(Do check it out if you are in to SP2010 ECM implementation. It is a 5-days complete course with video, quizzes and Labs)
Here I came to know about really useful information regarding the SP 2010 figures on Platform boundaries. The figure below, which is quite handy for the SP developers, tells the entire story.
  • Every SP Farms consists of services,
    • One config database
    • Several web applications.
  • Every web app can at most comprise of  
    • 500K site collections
    • 300 Content databases.  
  • Every Site Collection consists of 
    • 250K sites
    • 50K Content databases
  •  Every Site can consists of
    • 5K lists
  •  Every List can at most consist of 
    • 30M items
Now this gives us some hints about how to plan SP 2010 implementations.

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