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  • Monitoring skew in PDW

    When you have data stored across several servers, skew becomes very significant. In SQL Server Parallel Data Warehouse (PDW), part of the Analytics Platform System (APS), data is stored in one of two ways – distributed or replicated. Replicated data is copied in full across every compute node (those servers which actually store user data), while ...
    Posted to Rob Farley (Weblog) by rob_farley on May 11, 2015
  • Tuning Parallel Data Warehouse Queries

    Performance tuning in regular SQL Server can be addressed in a number of ways. This can involve looking at what’s going on with the disk configuration, the memory configuration, the wait stats, the parallelism settings, indexing, and so much more. But if you have a Parallel Data Warehouse (PDW) environment, then there are a lot of things that are ...
    Posted to Rob Farley (Weblog) by rob_farley on March 9, 2015
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