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Experimental assessment of COTS DBMS robustness under transient faults

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2 Author(s)
Costa, D. ; Coimbra Univ., Portugal ; Madeira, H.

This paper evaluates the behavior of a common off-the-shelf (COTS) database management system (DBMS) in presence of transient faults. Database applications have traditionally been a field with fault-tolerance needs, concerning both data integrity and availability. While most of the commercially available DBMS provide support for data recovery and fault-tolerance, very limited knowledge was available regarding the impact of transient faults in a COTS database system. In this experimental study, a strict off-the-shelf target system is used (Oracle 7.3 server running on top of Wintel platform), combined with a TPC-A based workload and a software implemented fault injection tool, XceptionNT. It was found out that a non-negligible amount of induced faults, 13%, lead to the database server hanging or premature termination. However, the results also show that COTS DBMS products has a reasonable behavior concerning data integrity, none of the injected faults affected end user data

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Dependable Computing, 1999. Proceedings. 1999 Pacific Rim International Symposium on

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