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Redundancy Management in a Symmetric Distributed Main-Memory Database

Calton Pu; Avraham Leff; Frederick Korz; Shu-Wie Chen

Title:
Redundancy Management in a Symmetric Distributed Main-Memory Database
Author(s):
Pu, Calton
Leff, Avraham
Korz, Frederick
Chen, Shu-Wie
Date:
Type:
Technical reports
Department:
Computer Science
Permanent URL:
Series:
Columbia University Computer Science Technical Reports
Part Number:
CUCS-014-90
Publisher:
Department of Computer Science, Columbia University
Publisher Location:
New York
Abstract:
We describe the architecture of a symmetric distributed main memory database. The high performance networks in many large distributed systems enable a machine to reach the main memory of other modes faster than local disks. Thus we introduce remote memory as an additional layer in the memory hierarchy between local memory and disks. Exploiting the remote memory (every node's cache) improves performance and increases availability. We have created a simulation program that shows this significant advantage over a wide range of cache sizes and compares the effects of several object replacement policies in the symmetric distributed main memory database.
Subject(s):
Computer science
Item views:
65
Metadata:
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