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SSAS Tabular - NUMA and CPU Cores Performance

n my last post (SSAS Tabular Performance - DefaultSegmentRowCount) I presented some analysis of the query performance impact of changing the DefaultSegmentRowCount setting. This post describes the next tests that I ran on the same system, investigating the impact of restricting SSAS to just 1 NUMA node instead of the 2 avaiable on the server. It's well known that SSAS Tabular is not NUMA aware, so it's common to see advice recommending affiliating SSAS to a single NUMA node to improve performance.


Tags: performance, hardware


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