The Study of Multidimensional R-Tree-Based Index Scalability in Multicore Environment

  • Kirill Smirnov
  • George ChernishevEmail author
  • Pavel Fedotovsky
  • George Erokhin
  • Kirill Cherednik
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8974)


In this paper we consider the scalability issues of a classical data structure used for multidimensional indexing: the R-Tree. This data structure allows for an efficient retrieval of records in low-dimensional spaces and is de facto standard of the industry. Following the design guidelines of the GiST model we have implemented a prototype which supports concurrent (parallel) access and provides read committed isolation level. Using our prototype we study the impact of threads and cores on the performance of the system. In order to do this, we evaluate it in several scenarios which may occur during the course of DBMS operation.


Threads Scalability Databases Multidimensional indexing In-memory index R-Tree GiST Experimental evaluation 



We would like to thank organizers of ACM SIGMOD Programming Contest’12 for providing a base for benchmark, data generator and unit tests. This work is partially supported by Russian Foundation for Basic Research grant 12-07-31050.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Kirill Smirnov
    • 1
  • George Chernishev
    • 1
    Email author
  • Pavel Fedotovsky
    • 1
  • George Erokhin
    • 1
  • Kirill Cherednik
    • 1
  1. 1.Saint-Petersburg UniversitySaint PetersburgRussia

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