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.

Tuesday, October 06, 2020

Parallel execution of Outer/Semi joins in NDB Cluster

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In MySQL Cluster 8.0.20 we added one more query type that can be pushed down to NDB data nodes. These queries are outer join queries and sem...

Adaptive CPU spinning in NDB Cluster

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 CPU spinning is something that has been around in NDB for a long time. This CPU spinning has been static which means that each time a threa...

Adaptive checkpoints of Disk Data columns in NDB Cluster

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 In MySQL Cluster 8.0.20 we made it possible to write to disk data columns at considerably higher write rates than before. In MySQL Cluster ...

Multi-socket feature in NDB Cluster

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 In MySQL Cluster 8.0.20 a new feature was added that enables higher write rates in NDB Cluster. In previous releases the communication betw...
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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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