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SSAS - Listing Active Queries with PowerShell

Recently one of our production Tabular servers was being hit with a number of extremely large queries that were causing excessive load and impacting the performance for other users. These queries were pretty much attempts at extracting detail level information. Some of these were due to the fact that some of the users had their own alternate hierarchy which we had not been informed of, so we were able to extend the cube design to rectify this. Other users were trying to build 10+ page reports in Excel and were trying to get everything in a single query and we were able to educate these users to use many smaller pivot tables rather than one massive one. One of the biggest single queries during this time ran for 53 minutes and returned somewhere in the vicinity of 190,000 rows!


Tags: performance, amo, script, powershell


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