Performance measurements of a user-space DAFS server with a database workload

  • Authors:
  • Samuel A. Fineberg;Don Wilson

  • Affiliations:
  • Hewlett-Packard Company, Cupertino, CA;Hewlett-Packard Company, Cupertino, CA

  • Venue:
  • NICELI '03 Proceedings of the ACM SIGCOMM workshop on Network-I/O convergence: experience, lessons, implications
  • Year:
  • 2003

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Abstract

We evaluate the performance of a user-space Direct Access File System (DAFS) server and Oracle Disk Manager (ODM) client using two synthetic test codes as well as the Oracle database. Tests were run on 4-processor Intel Xeon-based systems running Windows 2000. The systems were connected with ServerNet II, a Virtual Interface Architecture (VIA) compliant system area network. We compare the performance of DAFS/ODM and local-disk based I/O, measuring I/O bandwidth and latency. We also compare the runtime and CPU utilization of the Oracle database running the TPC-H benchmark over DAFS/ODM and local disk.