Modeling and Measurement Techniques for Evaluation of Design Alternatives in the Implementation of Database Management Software, Tập 13U.S. Department of Commerce, National Bureau of Standards, 1979 - 231 trang |
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basic I/O units BIOU'S buffer clock COMMON BLOCK REFERENCE computer system database management system DBMS design DBMS FUNCTION DBNRL DEF BUF SUB defined described DESCRIPTION DEF BUF determined DOMAIN elementary file IEF ELMNT ENIWA ENPPI estimation modeler evaluation Figure FORTRAN GFNEF GFNLE I/O estimation I/O requests implementation indicator INTEGER invoked iteration J-th I/O posting logical entry type main memory measurement system milliseconds modeler utilities NTIMES Ø Ø Ø Ø otherwise occurrences ØØØØØE+00 operating system overhead PARAMETER DESCRIPTION DEF parameter functions PARAMETER SET Positional Set Processor predictive validity procedures programs prototype DBMS PSP prototype Q-th query query in response quiescent system relation IRL relation replications RESCOM response estimation session response modeler response time estimation SAU's secondary storage set processor function Set Processor Performance set representation simulation SOURCE DATABASE specific SPPM STORED DATABASE subroutines tions total I/O total number transfer TUPLES validation variables
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