| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Greg Smith <gsmith(at)gregsmith(dot)com> |
| Cc: | pgsql-docs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] "distributed checkpoint" |
| Date: | 2007-12-10 01:48:39 |
| Message-ID: | 20071210014839.GA7240@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-docs pgsql-hackers |
Greg Smith wrote:
> It's good this came up, because that is factually wrong; while the average
> case is much better some OS-dependant aspects of the spike (what happens at
> fsync) are certainly still there. I think it's easier to rewrite this
> whole thing so it's technically accurate rather than a simple fix of the
> wording, something like this:
>
> "Checkpoint writes can be spread over a longer time period to smooth the
> I/O spike during each checkpoint"
Thanks, I changed it to this.
--
Alvaro Herrera http://www.advogato.org/person/alvherre
"No necesitamos banderas
No reconocemos fronteras" (Jorge González)
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