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Date:      Sat, 15 Jul 2023 09:31:45 -0800
From:      Rob Wing <rob.fx907@gmail.com>
To:        Matthew Grooms <mgrooms@shrew.net>
Cc:        "virtualization@freebsd.org" <virtualization@freebsd.org>
Subject:   Re: BHYVE SNAPSHOT image format proposal
Message-ID:  <CAF3%2Bn_cPr0=Z-KbN9R6BqxhcQrhckUqtoqg7LN=dUowAr64sRg@mail.gmail.com>
In-Reply-To: <3a037482-2e6c-667f-1979-d5b612e506ec@shrew.net>
References:  <67FDC8A8-86A6-4AE4-85F0-FF7BEF9F2F06@gmail.com> <6b98da58a5bd8e83bc466efa20b5a900298210aa.camel@FreeBSD.org> <8387AC83-6667-48E5-A3FA-11475EA96A5F@gmail.com> <d92db9bfbea181d6eb9d57b579d67e8e118ef4de.camel@FreeBSD.org> <986A83D8-E0E0-4030-9369-A5B3500E27C6@gmail.com> <79fabe94-b800-c713-48ea-518da1f74e4d@shrew.net> <CAF3%2Bn_cc5ZpGsKCff%2Bu-rSjnJn%2BN1jdu9KW0Y5b6n_TieMsfng@mail.gmail.com> <3973013d-c183-360f-d7ca-ca822859c23d@shrew.net> <CAF3%2Bn_czuJ=B2mok2wh7OPvkzMz7%2B9KRG8_NuCyEL9SMFLt6tw@mail.gmail.com> <3a037482-2e6c-667f-1979-d5b612e506ec@shrew.net>

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On Saturday, July 15, 2023, Matthew Grooms <mgrooms@shrew.net> wrote:
>
>
> We'll overlook the fact that it does attempt to consolidate files ( 2 vs 3
> ) and that there's no feedback requesting further consolidation after being
> open for two years, but noted.


You may as well abandon https://reviews.freebsd.org/D29262, for these
reasons alone:

- JSON doesn't support storing binary data
- a snapshot should be contained in a single file

The UPB patch addresses the above. Vitaliy's patch does nothing to address
> any of it. If one is going to be proposed as an alternative to the other,
> it better solve the same problems as then some.


The UBP patch is not an alternative - show me another hypervisor that uses
JSON as their snapshot format.


> The silence is real.


No, it's not. I've given you feedback multiple times.

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<div><br></div>On Saturday, July 15, 2023, Matthew Grooms &lt;<a href=3D"ma=
ilto:mgrooms@shrew.net">mgrooms@shrew.net</a>&gt; wrote:<blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">
<br>
We&#39;ll overlook the fact that it does attempt to consolidate files ( 2 v=
s 3 ) and that there&#39;s no feedback requesting further consolidation aft=
er being open for two years, but noted.</blockquote><div><br></div><div>You=
 may as well abandon=C2=A0<a href=3D"https://reviews.freebsd.org/D29262">ht=
tps://reviews.freebsd.org/D29262</a>, for these reasons alone:</div><div><b=
r></div><div>- JSON doesn&#39;t support storing binary data</div><div>- a s=
napshot should be contained in a single file</div><div><br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">
The UPB patch addresses the above. Vitaliy&#39;s patch does nothing to addr=
ess any of it. If one is going to be proposed as an alternative to the othe=
r, it better solve the same problems as then some.</blockquote><div><br></d=
iv><div>The UBP patch is not an alternative - show me another hypervisor th=
at uses JSON as their snapshot format.</div><div>=C2=A0<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">
The silence is real.</blockquote><div><br></div><div>No, it&#39;s not. I&#3=
9;ve given you feedback multiple times.</div>

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