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Viewing changes to doc/developers/profiling.txt

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-08-09 03:34:54 UTC
  • mfrom: (2664.4.8 hpss_debug_timing)
  • Revision ID: pqm@pqm.ubuntu.com-20070809033454-r4dk8909z5zxspum
(John Arbash Meinel) Add timing information to hpss logging

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doc/developers/profiling.txt
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At present this only logs actions relating to the on-disk lockdir.  It 
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doesn't describe actions on in-memory lock counters, or OS locks (which
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are used for dirstate.)
 
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Profiling HPSS Requests
 
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-----------------------
 
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When trying to improve network performance, it is often useful to know
 
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what requests are being made, and how long they are taking. The ``-Dhpss``
 
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global option will enable logging smart server requests, including the
 
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time spent in each request.