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Date: Tue, 14 Apr 2015 14:30:50 +0200
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Subject: Re: Making Cygwin More Tolerant of Orphaned SIDs?
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On 2015-04-14 01:24 PM, Bryan Berns wrote:
>   I do the same 'time ls -l /cygdrive/c/somedir/*'.  Takes 20 seconds.
> Subsequent runs in the also take 20 seconds.  Since I'm able to

It sounds like Cygwin needs a negative-entry cache i.e. a cache of ACL's that are know to be orphans or otherwise bad to 
prevent it repeatedly trying them.

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