Il più grosso sistema al mondo basato su SQL Server

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Gianluca Hotz

In questo articolo:

windowsteamblog.com/blogs/windowslive/archive/2009/12/22/a-peek-behind-the-scenes-at-hotmail.aspx

Arthur de Haan, responsabile dei Test e del System Engineering di Windows Live, fa una breve panoramica dell’architettura di Hotmail basata su SQL Server 2008.

Alcuni punti chiave:

  • We host well over 1.3 billion inboxes
  • Over 350 million people are actively using Hotmail on a monthly basis
  • We handle over 3 billion messages a day and filter out over 1 billion spam messages
  • We are growing storage at over 2 petabytes a month
  • We currently have over 155 petabytes of storage deployed (70% of storage is taken up with attachments, typically photos).