The upcoming generation of computer hardware brought several new challenges for software engineers. As in the CPU part, now the multi-core processing is main stream, while the future is massively parallel computing performed on many-core processors. This hardware trend motivates a reconsideration of data-management software architecture, because the highly paralleled computing ability may be very challenging for database management system. In order to understand whether the database system can take full advantage of on-chip parallelism, we provide a performance study on a 48-core platform with a set of simple micro benchmarks, as each test stresses the database system in different ways. With an analysis on the performance gain we observed a non scalable problem and examined the bottlenecks in the database system.
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