RFC on Cloud Images: Make /tmp a tmpfs
kirkland at canonical.com
Fri Jan 22 18:30:42 UTC 2016
On Jan 22, 2016 11:52 AM, "Colin Watson" <cjwatson at ubuntu.com> wrote:
> On Fri, Jan 22, 2016 at 09:09:10AM -0600, Dustin Kirkland wrote:
> > According to the 502 servers surveyed, 97.2% use less than 1.5 GB of
> > /tmp.
> I'm not expressing any particular view on the overall topic either way
> here, but for the sake of accuracy, I believe that that is not in fact
> what the data you collected says. It says that, at the point in time
> when the data was collected, 97.2% of those servers were currently using
> less than 1.5 GB of /tmp. Temporary files are temporary, and often
> bursty; a single point sample might line up with the high-water-mark on
> those servers, and it might not. But if you're going to quote
> statistics to three significant figures, then people reading it might
> reasonably expect more precision in their construction.
That's absolutely true and I've tried to accurately express that when I've
quoted these stats. You've identified a sentence where the wording was
poor. In fairness, I stated the caveats, including that one, up front in
the detailed analysis published at:
I should have written:
Of the 502 servers surveyed, 97.2% were using less than 1.5 GB of /tmp (at
the time the data was collected).
Thanks for the note.
> Colin Watson [cjwatson at ubuntu.com]
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