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Inside New Query Engine of MongoDB

Discussion on HackerNews and Lobsters. MongoDB has recently released a new query engine coming in version 7.0. I was one of the people working on this engine during my 2 years in MongoDB and I would like to share some technical details about it. Disclaimer: Prior to writing this article, I have contacted my ex-colleagues at MongoDB to ensure that it does not conflict with their plans. They gave me the green light, provided I send them the draft before publishing, which I did.

Query executionQuery execution engineSlot based engineVirtual machinesVirtual machine

InfluxDB 3 0: System Architecture

This article by Nga Tran, Paul Dix, Andrew Lamb, and Marko Mikulicic describes the system architecture of InfluxDB 3.0 database. #influxdb

System architecturePaul dixnga tranandrew lambmarko mikulicicObject storageWrite ahead logIngest routerQuery executionQuery routerGarbage collectorAzure blob storageGoogle cloud

Abandoning relational DB model like reinventing the wheel

Abandoning relational DB model like reinventing the wheel
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Jim webberAndy pavloCarnegie mellon universityRegister debatewelcomeRegister debateCarnegie mellonTyped dataQuery executionProperty graph queriesExecution enhancementsDatabases are