OSG Document 1016-v1

An update on the scalability limits of the Condor batch system

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Igor Sfiligoi
Updated by:
Igor Sfiligoi
Document Created:
14 Jan 2011, 18:16
Contents Revised:
14 Jan 2011, 18:16
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14 Jan 2011, 18:16
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Condor is being used extensively in the HEP environment. It is the batch system of choice for many compute farms, including several WLCG Tier 1s, Tier 2s and Tier 3s. It is also the building block of one of the Grid pilot infrastructures, namely glideinWMS. As with any software, Condor does not scale indefinitely with the number of users and/or the number of resources being handled. In this paper we are presenting the current observed scalability limits of both the latest production and the latest development release of Condor, and compare them with the limits reported in previous publications. A description of what changes were introduced to remove the previous scalability limits are also presented.
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Associated with Events:
CHEP10 held on 18 Oct 2010 in Taipei, Taiwan
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