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> Wednesday, November 16, 2005
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High-performance KEKB/Belle data analysis using Gfarm Grid file system
10:45am - 11:00am
Osamu Tatebe, Nobuhiko Katayama, Satoshi Matsuoka, Satoshi Sekiguchi, Hitoshi Sato
The Belle experiment operates at the KEKB accelerator, a high luminosity asymmetric energy e+ e- machine. The Belle collaboration studies CP violation in decays of B meson. Currently, Belle accumulates more than one million B Bbar meson pairs that correspond to about 1.2 TB of raw data in one day. The amount of raw data is planned to increase by 10 times after improving the luminosity.
The challenge is how to realize required high performance data access and scalable data computing. Our solution is the Gfarm Grid file system. It is a Grid-wide network shared file system that federates local storage of cluster nodes; moreover it provides scalable I/O performance with distributed data access. In the challenge, we will demonstrate high-performance Belle data analysis using StorCloud facilities and the MegaProto low power, high density cluster units, the detail of the latter to be presented in the technical paper session at SC05.
Martin Swany (Chair)
University of Delaware