A measure of transaction processing power
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SIGMOD '88 Proceedings of the 1988 ACM SIGMOD international conference on Management of data
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SIGMOD '88 Proceedings of the 1988 ACM SIGMOD international conference on Management of data
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SOSP '95 Proceedings of the fifteenth ACM symposium on Operating systems principles
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SIGMETRICS '98/PERFORMANCE '98 Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
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SPDT '98 Proceedings of the SIGMETRICS symposium on Parallel and distributed tools
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SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
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LCPC '98 Proceedings of the 11th International Workshop on Languages and Compilers for Parallel Computing
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WINSYM'99 Proceedings of the 3rd conference on USENIX Windows NT Symposium - Volume 3
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ATEC '99 Proceedings of the annual conference on USENIX Annual Technical Conference
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We present Tigris, a high-performance computation and I/O substrate for clusters of workstations that is implemented entirely in Java. Tigris automatically balances resource load across the cluster as a whole, shielding applications from asymmetries in CPU, I/O, and network performance. This is accomplished through the use of a dataflow programming model coupled with a work-balancing distributed queue. To meet the performance challenges of implementing such a system in Java, Tigris relies on Jaguar, a system that enables direct, protected access to hardware resources, including fast network interfaces and disk I/O. Jaguar yields an order-of-magnitude performance boost over the Java Native Interface for Java bindings to system resources. We demonstrate the applicability of Tigris through a one-pass, parallel, disk-to-disk sort exhibiting high performance.