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Ben Cops

Tuesday, June 29, 2010

SQL Azure; under the hood

the basic setup in SQL Azure is this; each database occupies multiple nodes through a single primary database that processes your queries and two secondary copies that provide HA (and the guaranteed %99.9 SLA). If the primary fails for any reason, secondary copies pick up immediately and carry on. When it comes to computational capacity; SQL Azure cluster contain 100s of nodes that provides massive scale. Each node serves many tenants. Through load balancing and throttling mechanisms we keep the clustered balanced.

http://microsoftpdc.com/Sessions/SVC12

(from this thread)

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