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Date:      Wed, 6 Mar 1996 11:53:44 -0800 (PST)
From:      Jaye Mathisen <mrcpu@cdsnet.net>
To:        Terry Lambert <terry@lambert.org>
Cc:        hackers@freebsd.org
Subject:   Re: -current MMAP vs INN 1.4unoff3
Message-ID:  <Pine.BSF.3.91.960306112839.28959M@schizo.cdsnet.net>
In-Reply-To: <199603061915.MAA11561@phaeton.artisoft.com>

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Unfortunately I don't.  All I know is that MMAP and INN work fine on 
several other OS's, and fail miserably under any version of FreeBSD through
the 3/4 -current.  While it's certainly possible that it's a defect in 
INN, I would be skeptical.

Trivial uses of MMAP work fine.

This concerns me for another reason in that we're planning on making 
heavy use of MSQL for processing our accounting records for our RADIUS 
stuff, and MSQL can use MMAP, but now I can't be sure the the 
implementation and thus the results of the queries is reliable.

However, in the interests of narrowing it down a bit, it only seems to be 
problematic when a newgroup message is processed and the active file 
changes size as opposed to just content changing w/o size changing.

Maybe it's a locking problem of some kind, I don't know, all I know is 
that it doesn't work, John sent me mail a couple months ago telling that 
he thought it worked in -current, and I'm reporting back that it still 
doesn't work.

On Wed, 6 Mar 1996, Terry Lambert wrote:

> > It's still broken, exhibits the same behaviour as a 2.1-release box, 
> > where it has problems with the active file.
> > 
> > It would be nice if this would eventually get fixed, even if just for 
> > correctness sake, as opposed to any measurable performance increase.
> 
> Could you provide a stand-alone regression test set of behaviour
> with documented expected behaviour and exception lists?
> 
> It would be nice if we could set up a TET or ETET framework for
> regression/validation and automate this process.
> 
> 
> 					Terry Lambert
> 					terry@lambert.org
> ---
> Any opinions in this posting are my own and not those of my present
> or previous employers.
> 



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