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.

Ian

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