From: Anthony Liguori <aliguori@us.ibm.com>
To: Arun Babu <arunbabu.n@gmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Measuring migration downtime
Date: Thu, 08 Jun 2006 19:57:56 -0500 [thread overview]
Message-ID: <4488C793.4000503@us.ibm.com> (raw)
In-Reply-To: <ce060c4d0606081740l7a0b586fofd1194cd814a2084@mail.gmail.com>
Arun Babu wrote:
> Hi,
> I need to get the exact downtime for doing a live migration with ms
> precision.
> (I am not bothered about whole migration time which is close to 1
> minute.. I need to measure
> the live migration downtime during which the DomU is out of service..
> the figure quoted in the xen
> documentation says it as ~60 ms.. )
> I hope someone must have tried to measure this before.
If you run a benchmark against the server, and measure the server's
throughput at a high granularity and graph it, it should show you the
interval that it was down for. I think that is the most realistic way
to do this.
Regards,
Anthony Liguori
> Can you suggest me ideas to measure this?
>
> Thank you,
> Arun
> ------------------------------------------------------------------------
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>
next prev parent reply other threads:[~2006-06-09 0:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-09 0:40 Measuring migration downtime Arun Babu
2006-06-09 0:57 ` Anthony Liguori [this message]
2006-06-09 18:43 ` harish
2006-06-11 14:54 ` Jacob Gorm Hansen
2006-06-13 23:47 ` Arun Babu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4488C793.4000503@us.ibm.com \
--to=aliguori@us.ibm.com \
--cc=arunbabu.n@gmail.com \
--cc=xen-devel@lists.xensource.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.