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  1. Proceedings of the 4th ACM international workshop on Data warehousing and OLAP (DOLAP '01)
  2. B+ retake: sustaining high volume inserts into large data pages
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Efficient intensional redefinition of aggregation hierarchies in multidimensional databases
Constructing OLAP cubes based on queries
Computing appropriate representations for multidimensional data
Modelling stars using XML
Understanding facts in a multidimensional object-oriented model
Data warehouse design from XML sources
Heuristic optimization of OLAP queries in multidimensionally hierarchically clustered databases
B+ retake: sustaining high volume inserts into large data pages
XPS a database server for data warehousing
Efficiently synchronizing multidimensional schema data
Hierarchical materialisation of methods in object-oriented views: design, maintenance, and experimental evaluation
$M^{4}:$ a metamodel for data preprocessing

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B+ retake: sustaining high volume inserts into large data pages

Content Provider ACM Digital Library
Author Rundensteiner, Elke A. Deschler, Kurt W.
Abstract Modern ad-hoc data mining queries often run on databases over a terabyte in size. At this scale, large data pages are required to obtain sufficient disk performance. Unfortunately, these large data pages greatly increase update costs, especially for packed structures such as the B+ tree. In a frequently updated warehouse, users are often forced to decide between query performance and update performance in order to meet maintenance time windows. Solutions that provide both are welcome.In this paper, we analyze and measure the memory related costs of B+ Tree updates with large data pages. We introduce the RB+ (Red-Black+) tree as a practical replacement for the B+ tree. The RB+ tree uses persistent red-black binary trees instead of sorted records for leaf pages. This organization improves memory performance up to 3,000% for updates and provides query performance comparable to a B+ tree, making it practical for large, frequently updated warehouses.
Starting Page 56
Ending Page 63
Page Count 8
File Format PDF
ISBN 1581134371
DOI 10.1145/512236.512244
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2001-11-09
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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