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Vertica review
Database Administrator (DBA) at a computer software company with 501-1,000 employees
I liked the auto-distribution to all nodes for fault tolerance and query performance.
In the versions I worked with, if a majority of the nodes were being loaded under heavy, sustained rates the nodes would see some dramatic decreases in performance due to the data shuffling that needed to occur between all the nodes. To work around that we ended up doing most of the loading in one or two nodes and that helped significantly....
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