A short introduction to GRID Gabriel Amorós IFIC.
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Transcript of A short introduction to GRID Gabriel Amorós IFIC.
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A short introduction to GRID
Gabriel AmorósIFIC
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• “Grid computing (or the use of computational grids) is the application of several computers to a single problem at the same time — usually to a scientific or technical problem that requires a great number of computer processing cycles or access to large amounts of data.”
http://wikipedia.org
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• Ideal world: one very powerful computer • classical computers: 2p vs quantum computers
qp
• Power supply• Storage space• Communication lines
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• Types of “GRIDS”:– Internet– Electric Power Lines– SETI@home– Large Hadron Collider Physics Experiments GRIDS
(ATLAS, CMS, ALICE, LHCb),…
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PARTNER Course, Valencia, 12-17 June 2009 5
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PARTNER Course, Valencia, 12-17 June 2009 6
ReplicaCatalogue
Logging &Book-keeping
ResourceBroker
StorageElement
ComputingElement
Information Service
Author.&Authen.
“User interface”
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The EGEE Project
• Funded by the European Commission, the Enabling Grids for E-sciencE (EGEE) project is the biggest Grid infrastructure project of the EU. The third two-year phase of the project started on 1 May 2008 and includes:
• A Grid infrastructure spanning about 250 sites across 50 countries
• An infrastructure of more than 68,000 CPU available to users 24 hours a day, 7 days a week,
• More than 20 Petabytes (20 million Gigabytes) of storage. • Sustained & regular workloads of 30K jobs/day, reaching up
to 150K jobs/day
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Collaborating e-Infrastructures
Potential for linking ~80 countries by 2008
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What is happening now?Real Time Monitor – Java tool– Displays jobs
running (submitted through RBs)
– Shows jobs moving around world map in real time, along with changes in status http://gridportal.hep.ph.ic.ac.uk/rtm/ (snapshot 16 January 2007)
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Who is using EGEE?• >200 VOs from several scientific
domains– Astronomy & Astrophysics– Civil Protection– Computational Chemistry– Comp. Fluid Dynamics– Computer Science/Tools– Condensed Matter Physics– Earth Sciences– Fusion– High Energy Physics– Life Sciences
• Further applications under evaluation
Apr-06
May-06
Jun-06Jul-0
6
Aug-06
Sep-06
Oct-06
Nov-06
Dec-06
Jan-07
Feb-07
Mar-07
0500000
10000001500000200000025000003000000
No. jobs / month - all
OPSNon-LHCLHC
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• ESRs at CERN:– Vassiliki Kanellopoulos (and MedAustron)– Faustin Roman (and IFIC)– Daniel Abler (and Oxford)
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Thank [email protected]