KB2974373 - FIX: Poor performance when you use DAX functions on a String or Boolean column in SSAS 2014

Symptoms


When you use Data Analysis Expression (DAX) functions such as COUNTA, AVERAGEA, COUNTBLANK among other functions to perform some operations on a String or Boolean column, you may experience poor performance on Microsoft SQL Server 2014 Analysis Services (SSAS).

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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