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Scaling and Continuous Availability in Database Server Clusters through Multiversion Replication
 

Summary: Scaling and Continuous Availability in Database Server Clusters through
Multiversion Replication
Kaloian Manassiev
Department of Computer Science
University of Toronto
kaloianm@cs.toronto.edu
Cristiana Amza
Department of Electrical and Computer Engineering
University of Toronto
amza@eecg.toronto.edu
Abstract
In this paper, we study replication techniques for scal-
ing and continuous operation for a dynamic content server.
Our focus is on supporting transparent and fast reconfigu-
ration of its database tier in case of overload or failures.
We show that the data persistence aspects can be decoupled
from reconfiguration of the database CPU. A lightweight
in-memory middleware tier captures the typically heavy-
weight read-only requests to ensure flexible database CPU
scaling and fail-over. At the same time, updates are handled

  

Source: Amza, Cristiana - Department of Electrical and Computer Engineering, University of Toronto

 

Collections: Computer Technologies and Information Sciences