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From: mwoehlke <mwoehlke AT tibco DOT com>
Subject:  Re: slow share = slow scripts?
Date:  Thu, 25 May 2006 09:23:55 -0500
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Larry Hall (Cygwin) wrote:
> mwoehlke wrote:
>> I'm trying to run some scripts off of a slow network share, and it 
>> takes *forever* in Cygwin (it's OK in Interix).
>>
>> Looking at an strace (attached) via 'sort -n' shows a LOT of time 
>> being spent in read(), apparently just after (caused by?) an fstat(), 
>> which means this feels like an inefficiency somewhere in Cygwin's 
>> POSIX emulation. Other than "RTFSC", does anyone have any ideas what I 
>> could do (workarounds, etc) so that I can run scripts in a reasonable 
>> amount of time? (Might this have anything to do with my share being 
>> non-writable?)
> 
> Take a look at the -x, -E, and -X flags of 'mount'. Perhaps these will help
> you.

Hmm, those are mutually contradictory... guess I'll "experiment". Out of 
curiosity, what are any of these expected to do?

>> Sorry for the .bz2, but 248k seemed a little excessive :-).
> 
> And actually sending unsolicited straces to the list is discouraged.

Sorry, didn't know that... it seemed relevant.

>> Somewhat OT, why does 'strace bash -c foo > /foo_strace' generate a 
>> file with DOS line-endings? None of my mounts are 'textmode'...
> 
> 'strace' does not use cygwin1.dll.

Ah, makes sense, thanks.

-- 
Matthew
...Ruthlessly beating Windows with a hammer until it looks like POSIX.


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