Mikael Ronstrom

My name is Mikael Ronstrom and I work for Hopsworks AB as Head of Data. I also assist companies working with NDB Cluster as self-employed consultant. I am a member of The Church of Jesus Christ of Latter Day Saints. I can be contacted at mikael dot ronstrom at gmail dot com for NDB consultancy services. The statements and opinions expressed on this blog are my own and do not necessarily represent those of Hopsworks AB.

Showing posts with label Parallel Query. Show all posts
Showing posts with label Parallel Query. Show all posts
Monday, May 27, 2024

875X improvement from RonDB 21.04.17 to 22.10.4

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At Hopsworks we are working on ensuring that the online feature store will be able to perform complex join operations in real-time. This mea...
Wednesday, December 11, 2019

NDB Parallel Query, part 5

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In this part we are going to analyze a bit more complex query than before. This query is a 6-way join. The query is: SELECT         su...
Monday, December 09, 2019

NDB Parallel Query, part 4

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In this part we will discuss how NDB batch handling works. Query execution of complex SQL queries means that more rows can be delivered th...

NDB Parallel Query, part 3

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In the previous part we showed how NDB will parallelise a simple 2-way join query from TPC-H. In this part we will describe how the pushd...
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About Me

Mikael Ronstrom
I live in Stockholm, Sweden with my family. I am a member of the Church of Jesus Christ of Latter Day Saints. I am interested in innovative work, sports, business and many other things
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