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Vertica 6.1.2 memory consumption
We are migrating Vertica 6.1 to Vertica 6.1.2. and I observed one strange behavior. The same query on the same data mart require around 3GB of memory in Vertica 6.1.2 and only 100MB of memory in Vertica 6.1. The only difference in hardware configuration is that Vertica 6.1 instance has 8GB or RAM and Vertica 6.1.2 16GB. Does anybody know whether it's some feature in configuration of version 6.1.2 or have another explanation of such behavior. Vertica 6.1 reports average 30% of memory usage and Vertica 6.1.2 reports 80% of memory usage.I can't find explanation of that while the data mart is exactly the same for both instances. Best regards Bartek