The Use of Proxy Caches for File Access in a Multi-Tier Grid Environment
The use of proxy caches has been extensively studied in the HEP environment for efficient access of database data and showed significant performance with only very moderate operational effort at higher grid tiers (T2, T3). In this contribution we propose to apply the same concept to the area of file access and analyze the possible performance gains, operational impact on site services and applicability to different HEP use cases. Base on a proof-of-concept studies with a modified XROOT proxy server we review the cache efficiency and overheads for access patterns of typical ROOT based analysis programs. We conclude with a discussion of the potential role of this new component at the different tiers of a distributed computing grid.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1038699
- Report Number(s):
- SLAC-REPRINT-2012-040; TRN: US201208%%776
- Journal Information:
- Journal of Physics: Conference Series, Vol. 331, Issue 7; Conference: Prepared for 18th International Conference on Computing in High Energuy and Nuclear Physics (CHEP 2010), Taipei, Taiwan, 18-22 Oct 2010
- Country of Publication:
- United States
- Language:
- English
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