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 WANdistributed Object Databases and Mass Storage systems for LHC data. A prototype smallscale LHC data analysis center has been con...

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Bibliographic Details
Main Authors: Julian J. Bunn, Koen Holtman, Harvey B. Newman, Richard P. Wilkinson
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2000
Subjects:
Orca
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.42.6453
http://pcbunn.cithep.caltech.edu/pubs/giod_chep2000.pdf
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 WANdistributed Object Databases and Mass Storage systems for LHC data. A prototype smallscale 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. Simple analysis software was then developed in Java, and integrated with SLACs Java Analysis Stud.

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