Dependency Sensitive Shadow SWIFT

Author

Shanker, Udai ; Misra, Manoj ; Sarje, Anil K. ; Shisondia, Rahul

Author_Institution

MMME Coll., Gorakhpur

fYear

2006

fDate

Dec. 2006

Firstpage

273

Lastpage

276

Abstract

This paper proposes a new commit protocol for real time distributed database systems, dependency sensitive shadow SWIFT (DSS-SWIFT) protocol where the cohort forks off a replica of itself called a shadow, whenever it borrows dirty value of a data item, and if, the created dependency is abort type as compared to creating shadow in all cases of dependency in shadow PROMPT. Also the health factor of cohort is used for permitting to use dirty value of lender rather than health factor of transaction as whole. The performance of DSS-SWIFT is compared with PROMPT, 2SC and SWIFT protocols for both main memory resident and disk resident databases with and without communication delay. Simulation results show that the proposed protocol improves the system performance up to 7% as transaction miss percentage

Keywords

distributed databases; protocols; real-time systems; transaction processing; commit protocol; dependency sensitive shadow SWIFT; disk resident databases; distributed database systems; health factor; main memory resident; Admission control; Database systems; Decision support systems; Delay; Distributed databases; Educational institutions; Protocols; Real time systems; System performance; Transaction databases;

fLanguage

English

Publisher

ieee

Conference_Titel

Database Engineering and Applications Symposium, 2006. IDEAS '06. 10th International

Conference_Location

Delhi

ISSN

1098-8068

Print_ISBN

0-7695-2577-6

Type

conf

DOI

10.1109/IDEAS.2006.16

Filename

4041630