June 2015
Intermediate to advanced
1800 pages
70h 6m
English
book
Microsoft SQL Server 2014 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
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MPP Architecture
PDW is based on an MPP architecture. MPP architectures consist of independent processors or servers executing in parallel. Most MPP architectures implement a shared-nothing architecture, where each server operates self-sufficiently and controls its own memory and disk. Shared-nothing architectures have a proven record for high scalability and little contention. DW appliances (like PDW) distribute data onto dedicated disk storage units connected to each server in the appliance. This distribution allows DW appliances to resolve a relational query by scanning data on each server in parallel. The divide-and-conquer approach delivers high performance and scales linearly as new servers are added into the architecture.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.