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Identifier uch.csd.msc//1996ioannidis
Title Χρήση της Απομακρυσμένης Μνήμης για Αξιοπιστία και Βελτίωση Απόδοσης σε Συστήματα Δοσοληψιών
Alternative Title Using the Remote Main Memory in a Workstation Cluster for Reliability and Performance in Transactional Based Systems
Creator Ioannidis, Sotiris
Contributor Ευάγγελος Μαρκάτος
Abstract Transactions are used in a wide variety of systems, ranging from CAD applications to file systems and large-scale data bases. What makes them atractive is the properties of atomicity and recoverability. In order to support the above properties transactions rely on the use of magnetic disks as a non-volatile storage medmedium. Unfortunately magnetic disks become a performance bottleneck because of their high access time. This causes transactions to become expensive and limits their uses. In this paper we describe how to use the collective main memory in a Network of Workstations (NOW) to improve the performance of transaction-based systems. We present the changes we introduced on two existing transaction based systems, in order for them to use the network memory and therefore avoid synchronous disk I/O. Furthermore we present the design and implementation of a new system that provides non-volatile memory by using network memory. For the above systems we present a variety of experiments that were performed in order to evaluate our ideas. We conclude that the use of remote main memory benefits the performance of transactions and these benefits will probably increase in the near future.
Subject α) Παράλληλα και Κατανεμημένα Συστήματα, β) Δίκτυα Υπολογιστών και Ψηφιακές Επικοινωνίες
Issue date 1996-11-01
Date available 1997-06-2
Collection   School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
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