OSG Document 1076-v1

Gratia: New Challenges in Grid Accounting.

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Ruth Pordes
Updated by:
Ruth Pordes
Document Created:
03 Oct 2011, 12:10
Contents Revised:
03 Oct 2011, 12:10
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03 Oct 2011, 12:10
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Gratia originated as an accounting system for batch systems and Linux process accounting. In production since 2006 at FNAL, it was adopted by the Open Science Grid as a distributed, grid-wide accounting system in 2007. Since adoption Gratia's next challenge has been to adapt to an explosive increase in data volume and to handle several new categories of accounting data. Gratia now accounts for regular grid jobs, file transfers, glide-in jobs, and the state of grid services. We show Gratia presents a thorough picture of the OSG and discuss the complexity caused by newer grid techniques such as pilot jobs, job forwarding, and backfill.
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