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Clustered Columnstore Indexes – part 31 (“Memory Pressure and Row Group Sizes”)

Clustered Columnstore Indexes – part 31 (“Memory Pressure and Row Group Sizes”)

Continuation from the previous 30 parts, starting from https://www.nikoport.com/2013/07/05/clustered-columnstore-indexes-part-1-intro/ This blog post is focusing on one of the most important real world issues – Memory Pressure. While testing on your own Computer or on some development server in a controlled…

Clustered Columnstore Indexes – part 30 (“Bulk Load API Magic Number”)

Continuation from the previous 29 parts, starting from https://www.nikoport.com/2013/07/05/clustered-columnstore-indexes-part-1-intro/ It has been a long time (almost a year) since Microsoft revealed the public preview version of SQL Server with Clustered Columnstore Indexes available, and ever since there were hundreds of…

Clustered Columnstore Indexes – part 29 (“Data Loading for Better Segment Elimination”)

Clustered Columnstore Indexes – part 29 (“Data Loading for Better Segment Elimination”)

Continuation from the previous 28 parts, starting from https://www.nikoport.com/2013/07/05/clustered-columnstore-indexes-part-1-intro/ One of the key performance factors for Columnstore Indexes is Segment Elimination. I have been presenting on this matter for quite a while, but never actually blogged about it. Every Columnstore…