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Date:      Mon, 03 Oct 2005 19:03:23 +0200
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Nate Lawson <nate@root.org>
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>, Olivier Houchard <cognet@FreeBSD.org>, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/ddb db_command.c db_output.c 
Message-ID:  <93558.1128359003@critter.freebsd.dk>
In-Reply-To: Your message of "Mon, 03 Oct 2005 09:45:44 PDT." <43416038.6020701@root.org> 

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In message <43416038.6020701@root.org>, Nate Lawson writes:

>That's fine as a hack-around, but I hope that doesn't distract effort 
>from sparse kernel dumps.  If you throw out non-anonymous pages, buffer 
>cache, etc., you end up with a very small image to begin with.  Add in 
>gzip compression and it wouldn't be much larger than your uncompressed 
>logs.  Then you can run whatever info tools you want against the core 
>since no actual data is lost.

There are pro etc con for both methods.  Once a dump has been sitting
in a PR for a year, very few people tend to have compatible info
tools available.

ASCII never grows old.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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