The GIOD Project-Globally Interconnected Object Databases

The GIOD (Globally Interconnected Object Databases) Project, a joint effort between Caltech and CERN, funded by Hewlett Packard Corporation, has investigated the use of WAN-distributed Object Databases and Mass Storage systems for LHC data. A prototype small- scale LHC data analysis center has been...

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Bibliographic Details
Published in:Computer Physics Communications
Main Authors: Bunn, J J, Holtman, K, Newman, H B, Wilkinson, R P
Language:English
Published: 2001
Subjects:
Computing and Computers
Orca
Online Access:https://doi.org/10.1016/S0010-4655(01)00267-3
http://cds.cern.ch/record/559277
Description
Summary:The GIOD (Globally Interconnected Object Databases) Project, a joint effort between Caltech and CERN, funded by Hewlett Packard Corporation, has investigated the use of WAN-distributed Object Databases and Mass Storage systems for LHC data. A prototype small- scale LHC data analysis center has been constructed using computing resources at Caltechs Centre for advanced Computing Research (CACR). These resources include a 256 CPU HP Exemplar of ~4600 SPECfp95, a 600 TByte High Performance Storage System (HPSS), and local/wide area links based on OC3 ATM. Using the exemplar, a large number of fully simulated CMS events were produced, and used to populate an object database with a complete schema for raw, reconstructed and analysis objects. The reconstruction software used for this task was based on early codes developed in preparation for the current CMS reconstruction program, ORCA. (6 refs).

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