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|Title:||Database Assessment for PDMS|
|Abstract:||This document describes the database issues related to the Proactive Data Management System (PDMS) . PDMS uses databases for a number of tasks. PDMS uses the Replica Location Service (RLS) , that is implemented using a database and can propagate updates between database servers. It also uses the Meta Catalogue Service (MCS)  schema, in another database. PDMS also currently uses the Reliable File Transfer (RFT)  service that also uses a database. Furthermore, PDMS uses a database to save its internal state so that its internal state is preserved between server restarts. The rest of this document is organized as follows: Section 2 gives an overview of relational databases. Section 3 describes database issues for the main PDMS server. Section 4 describes the RLS service, how it is used by PDMS and its database dependencies. Section 5 does the same for the MCS service and Section 6 describes database issues with the RFT service. Section 7 concludes the document.|
|Appears in Collections:||Technical Reports|
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