X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
Date:	Mon, 26 Oct 2009 13:26:22 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: How to increase the memory available to diff in cygwin 1.7?
Message-ID:	<20091026172622.GB790@ednor.casa.cgf.cx>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<bb237ab80910260841te5fab0di2bb4f3c4f40ce4dd AT mail DOT gmail DOT com>
MIME-Version:	1.0
In-Reply-To:	<bb237ab80910260841te5fab0di2bb4f3c4f40ce4dd@mail.gmail.com>
User-Agent:	Mutt/1.5.20 (2009-06-14)
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On Mon, Oct 26, 2009 at 11:41:13AM -0400, Kenneth Chiu wrote:
>I'm trying to diff two large directories, recursively, and
>I'm getting this error:
>
>    $ diff -rq B B2 >diff.out
>    diff: memory exhausted
>
>I looked at this URL
>
>    http://cygwin.com/cygwin-ug-net/setup-maxmem.html
>
>but it seemed out-of-date.  There was no such key in the
>registry, and the options to the regtool were different from
>what the regtool man page says.
>
>Any suggestions on how to get rid of the memory
>exhaustion error?  Is there a new key path that I should
>use for the heap_chunk_in_mb value?  Is it possible
>that I'm simply bumping into a 2 GB limit for
>32-bit processes?  (And if that is the case,
>is there a recommended way to go to 64-bit?)

AFAIK, this is just a limitation of diff.  You can get the same
error on linux.

This was discussed in some detail in this list a few months ago.

cgf

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -