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Date: Tue, 9 May 2006 14:13:25 -0400 (EDT)
From: Igor Peshansky <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Michael Hirsch <mdhirsch AT gmail DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: 1.5.19 slow access to shares
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On Tue, 9 May 2006, Michael Hirsch wrote:

> I have a network share (//xcocluster1/vpg) mounted to g:.  Depending
> on which name I try to access it with I get radically different access
> times:
>
> mhirsch AT xcomhirsch20 ~
> $ time ls //xcocluster1/vpg
> Presentations/  appdist/  backups/  buildenv/  conf/  opt/  sysgen/  users/
>
> real    0m10.875s
> user    0m0.030s
> sys     0m0.062s
>
> mhirsch AT xcomhirsch20 ~
> $ time ls g:
> Presentations/  appdist/  backups/  buildenv/  conf/  opt/  sysgen/  users/
>
> real    0m0.063s
> user     0m0.030s
> sys     0m0.015s
>
> mhirsch AT xcomhirsch20 ~
> $ time ls //xcocluster1/vpg
> Presentations/  appdist/  backups/  buildenv/  conf/  opt/  sysgen/  users/
>
> real    0m17.094s
> user    0m0.046s
> sys      0m0.046s
>
> I couldn't find and explanation for this.  Is this normal?  Is there a
> way to make them both fast?
>
> Running a similar command in the windows CMD window yields fast
> accesses, regarless of whether I refer to drive letter or machine WINS
> name.

When you use the WINS name, Cygwin does some processing of the network
share path itself, whereas with the g: drive it delegates to Windows.  I
don't know if it's always possible to delegate to Windows when the WINS
name is specified.
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_	    pechtcha AT cs DOT nyu DOT edu | igor AT watson DOT ibm DOT com
ZZZzz /,`.-'`'    -.  ;-;;,_		Igor Peshansky, Ph.D. (name changed!)
     |,4-  ) )-,_. ,\ (  `'-'		old name: Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"Las! je suis sot... -Mais non, tu ne l'es pas, puisque tu t'en rends compte."
"But no -- you are no fool; you call yourself a fool, there's proof enough in
that!" -- Rostand, "Cyrano de Bergerac"

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