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RE: [Xen-devel] [PATCH][RFC] making "xm dump-core" paralell

To: "John Levon" <levon@xxxxxxxxxxxxxxxxx>, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH][RFC] making "xm dump-core" paralell
From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 28 Sep 2007 20:53:01 +0100
Cc: Rikiya Ayukawa <ayukawa.rikiya@xxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, SUZUKI Kazuhiro <kaz@xxxxxxxxxxxxxx>, Rikiya Ayukawa <ayukawa@xxxxxxxxxxxxxxxxxxx>
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Thread-topic: [Xen-devel] [PATCH][RFC] making "xm dump-core" paralell
> > xm save/restore also fork+exec. I think it's the same reason.
> > Is that right, Keir?
> My understanding is that the only reason we have separate binaries for
> that is because in the past save/restore was unstable, and had a
> tendency to crash xend.

I can't see much downside to having a separate process. It makes it
easier to ionice the IO etc.


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