I stumbled across a small MDX performance tuning trick when using SSRS reports (or any other client tool where you can edit the MDX). When you create the MDX query using the designer, it will append some cell properties at the end of the query. Basically it’s just metadata about the cells of the result […]
Tag: performance
Loading Data into Clustered Columnstore Index with SSIS
I’m using a clustered columnstore index (CCI) on one of my fact tables at a client. The row size is between 8 and 9 million rows and I was wondering how I could load data efficiently in this CCI using SSIS. I stumbled upon this MSDN blog post: SQL Server 2016 SSIS Data Flow Buffer […]
Reblog: SSIS Performance Testing
I had to do some performance testing for an MSSQLTips article and I thought I’d share the framework I used in a blog post. First of all we have to log start and end dates of the package to a table so we can easily calculate the duration a package took to finish. This can probably […]
Book Review – Expert Performance Indexing
A few weeks back, the folks at Apress Publishing sent me a copy of the book Expert Performance Indexing in SQL Server for me to review. Since I know both the authors and since I’m familiar with the spectacular work they do, I was happy to do so. Doesn’t mean I won’t do an honest […]
Performance Tuning with sp_BlitzIndex
Just a small blog post about how I used sp_BlitzIndex for the first and how awesome that was. sp_BlitzIndex is one of the many free scripts you can get from the great team at Brent Ozar Unlimited. Recently I went to a client for a one day data warehouse performance tuning exercise. Because you only have […]