Fermilab Computing Division

CS Document 2177-v1

Improving SAM at CDF

Document #:
Document type:
Technical Note
Submitted by:
Robert Illingworth
Updated by:
Robert Illingworth
Document Created:
04 Jun 2007, 16:00
Contents Revised:
04 Jun 2007, 16:00
Metadata Revised:
13 Jun 2007, 12:06
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For the past few years CDF has been using SAM as its main data handling system, replacing the earlier DFC. SAM was originally designed solely for D0, and some of the SAM concepts and methods did not map very well to the CDF computing model. Various changes were made to SAM to try and make it more compatible with CDF, but there remains a perception that SAM is working less well for CDF than it does for D0. We were asked to investigate the use of SAM at CDF, and to recommend ways in which it could be improved.
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