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Oracle Rdb's Record Caching Model.

Richard Anderson, Gopalan Arun, Richard Frank: Oracle Rdb's Record Caching Model. SIGMOD Conference 1998: 526-527
@inproceedings{DBLP:conf/sigmod/AndersonAF98,
  author    = {Richard Anderson and
               Gopalan Arun and
               Richard Frank},
  editor    = {Laura M. Haas and
               Ashutosh Tiwary},
  title     = {Oracle Rdb's Record Caching Model},
  booktitle = {SIGMOD 1998, Proceedings ACM SIGMOD International Conference
               on Management of Data, June 2-4, 1998, Seattle, Washington, USA},
  publisher = {ACM Press},
  year      = {1998},
  isbn      = {0-89791-995-5},
  pages     = {526-527},
  ee        = {http://doi.acm.org/10.1145/276304.276365, db/conf/sigmod/AndersonAF98.html},
  crossref  = {DBLP:conf/sigmod/98},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

In this paper we present a more efficient record based caching model than the conventional page (disk block) based scheme. In a record caching model, individual records are stored together in a section of shared memory to form the cache. Traditional relational database systems have individual pages that are stored together in shared memory to form the cache and records are then extracted from these pages on demand. The record cache model has better memory utilization than the page model and also helps reduce overheads like page fetches/writes, page locks and code path.

In May 1996, Oracle Rdb announced a record breaking number of 14227 tpmC on a Digital AlphaServer 8400. At the time, this was the best TPC-C performance achieved on a single SMP machine. A total of 15 record caches, caching 19.5 million records, consuming almost 7 GB of memory, formed the bulk of the shared memory.

Copyright © 1998 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.


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Laura M. Haas, Ashutosh Tiwary (Eds.): SIGMOD 1998, Proceedings ACM SIGMOD International Conference on Management of Data, June 2-4, 1998, Seattle, Washington, USA. ACM Press 1998, ISBN 0-89791-995-5 BibTeX , SIGMOD Record 27(2), June 1998
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