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From:   <rsbecker@nexbridge.com>
To:     "'Jacob Vosmaer'" <jacob@gitlab.com>
Cc:     "'Junio C Hamano'" <gitster@pobox.com>, <git@vger.kernel.org>,
        <avarab@gmail.com>, <peff@peff.net>
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Subject: RE: [PATCH v2 1/1] upload-pack.c: increase output buffer size
Date:   Wed, 15 Dec 2021 15:38:40 -0500
Organization: Nexbridge Inc.
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On December 15, 2021 3:24 PM, Jacob Vosmaer wrote:
> To: rsbecker@nexbridge.com
> Cc: Junio C Hamano <gitster@pobox.com>; git@vger.kernel.org;
> avarab@gmail.com; peff@peff.net
> Subject: Re: [PATCH v2 1/1] upload-pack.c: increase output buffer size
> 
> On Wed, Dec 15, 2021 at 8:59 PM <rsbecker@nexbridge.com> wrote:
> 
> > This is likely to break NonStop as our sideband packet size is less
> > than 64K.
> 
> Could you elaborate on what you expect to break?

The maximum I/O size on the platform is 56Kb. Anything larger will fail. That's why we use xread and xwrite for non-buffered I/O.
-Randall