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Comp.os.research: Frequently answered questions [2/3: l/m 13 Aug 1996]
Section - [2.2] File system traces

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From: Performance and workload studies

- Randy Appleton <randy@dcs.uky.edu> has a set of filesystem traces
  which detail every operation performed during a period of more than
  a week (several hundred thousand events).  Timestamps on the traces
  are accurate to under a millisecond.  For more details, contact the
  author, or visit <URL:http://www.dcs.uky.edu/~randy/Research/index.html>.

- Chris Ruemmler has done a study on low-level disk access patterns
  for a workstation, a server, and a time-shared system which appeared
  in the Winter 1993 USENIX proceedings.  A copy may be obtained via
  anonymous ftp from <URL:ftp://ftp.hpl.hp.com/wilkes/>.

- Stephen Russell <smr@cs.unsw.oz.au> has instrumented the SunOS 4.1.x
  kernel running on Sun 3 machines.  The system allows time-stamped
  event records to be obtained from various points in the kernel.
  Events can be categorised (eg, paging, file system, etc), and are
  read via pseudo-devices.  Ioctl calls allow substreams to be
  enabled/disabled, buffer status checked, etc.  An external high
  resolution timer is used for timestamping.

- [93-05-09-09-23.32] The traces used in `Measurements of a
  distributed file system' (SOSP 1991) may be obtained from
  <URL:http://now.cs.berkeley.edu/Xfs/SpriteTraces>.

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Top Document: Comp.os.research: Frequently answered questions [2/3: l/m 13 Aug 1996]
Previous Document: [2.1] TCP internetwork traffic characteristics
Next Document: [2.3] Modern Unix file and block sizes

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