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Date:      Tue, 2 May 2023 11:25:12 -0800
From:      Rob Wing <rob.fx907@gmail.com>
To:        Matthew Grooms <mgrooms@shrew.net>
Cc:        freebsd-hackers@freebsd.org, freebsd-virtualization@freebsd.org,  elenamihailescu22@gmail.com, Mihai Carabas <mihai.carabas@gmail.com>,  gusev.vitaliy@gmail.com
Subject:   Re: BHYVE_SNAPSHOT
Message-ID:  <CAF3%2Bn_e3QhbDxk96akwxnjAYkPOcKbLemhdZPmSzbsjB%2BdxfoQ@mail.gmail.com>
In-Reply-To: <89c84bd7-a925-02f4-acbe-12c3000e7007@shrew.net>
References:  <ZEz8tU_83QfqbbMu@int21h> <fe221c6a-acb7-ddbd-413d-7039de33e872@shrew.net> <CAF3%2Bn_fN4J4jXH89t8gMOD8QpqAike0Uzrb9wUfKoYv56zQt_w@mail.gmail.com> <89c84bd7-a925-02f4-acbe-12c3000e7007@shrew.net>

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On Mon, May 1, 2023 at 10:16=E2=80=AFPM Matthew Grooms <mgrooms@shrew.net> =
wrote:

> Yup. See above. I appreciate your input, but the goal of live migration
> was set in 2016 with a prototype first demonstrated in 2018. How long do
> you suggest a developer wait without review feedback before moving forwar=
d
> out of tree?
>

Yea..I'd say a submitter should receive feedback within a week (or so) and
when that passes, try rattling the cage of relevant developers to ack a
timeline. My comments for the live/warm migration review is to rebase it
after the snapshot feature is compiled in by default.


> Yup. That approach was attempted with the Warm Migration patches. From
> slide 17 in Elena's presentation:
>
> First review opened in 2021: https://reviews.freebsd.org/D28270
> 5 reviews from 2022 starting with https://reviews.freebsd.org/D34717
> (same feature split in multiple parts)
>

I understand that, as a submitter, this is frustrating - to spend a
non-trivial amount of time preparing/submitting a review and then receive
no feedback, not even a "changes too big" or "nope".

For future reference, if UPB does another project - might be worth trying
to seek out a FreeBSD mentor that could guide the students and be willing
to usher the changes in, not unlike a GSOC project.

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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><div dir=3D"ltr">On Mon, May 1,=
 2023 at 10:16=E2=80=AFPM Matthew Grooms &lt;<a href=3D"mailto:mgrooms@shre=
w.net" target=3D"_blank">mgrooms@shrew.net</a>&gt; wrote:</div><div class=
=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px =
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><p>=
Yup. See above. I appreciate your input, but the goal of live
      migration was set in 2016 with a prototype first demonstrated in
      2018. How long do you suggest a developer wait without review
      feedback before moving forward out of tree?<br></p></div></blockquote=
><div><br></div><div>Yea..I&#39;d say a submitter should receive feedback w=
ithin a week (or so) and when that passes, try rattling the cage of relevan=
t developers to ack a timeline. My comments for the live/warm migration rev=
iew is to rebase it after the snapshot feature is compiled in by default.<b=
r></div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:=
0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">=
<div><p>
    </p>
   =20
    <p>Yup. That approach was attempted with the Warm Migration patches.
      From slide 17 in Elena&#39;s presentation:<br>
      <br>
      First review opened in 2021: <a href=3D"https://reviews.freebsd.org/D=
28270" target=3D"_blank">https://reviews.freebsd.org/D28270</a><br>;
      5 reviews from 2022 starting with
      <a href=3D"https://reviews.freebsd.org/D34717" target=3D"_blank">http=
s://reviews.freebsd.org/D34717</a> (same
      feature split in multiple parts)<br></p></div></blockquote><div><br><=
/div><div>I understand that, as a submitter, this is frustrating - to spend=
 a non-trivial amount of time preparing/submitting a review and then receiv=
e no feedback, not even a &quot;changes too big&quot; or &quot;nope&quot;.<=
/div><div><br></div><div>For future reference, if UPB does another project =
- might be worth trying to seek out a FreeBSD mentor that could guide the s=
tudents and be willing to usher the changes in, not unlike a GSOC project.<=
br></div></div></div>

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