PosDB: A Distributed Column-Store Engine

  title={PosDB: A Distributed Column-Store Engine},
  author={George Chernishev and Viacheslav Galaktionov and Valentin Grigorev and Evgeniy Klyuchikov and Kirill Smirnov},
  booktitle={Ershov Informatics Conference},
In this paper we present a novel disk-based distributed column-store, describe its architecture and discuss a number of technical solutions. Our system is essentially a query engine which was written completely from scratch. It is aimed for shared-nothing environments and supports different forms of parallel query processing. Query processing in PosDB is organized according to the classic Volcano pull-based model which is adapted for the column-store case. Currently, we support late… CONTINUE READING


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