| From: | Stuart Bishop <stuart(at)stuartbishop(dot)net> |
|---|---|
| To: | François Beausoleil <francois(at)teksol(dot)info> |
| Cc: | Forums postgresql <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Linux vs FreeBSD |
| Date: | 2014-04-10 07:37:47 |
| Message-ID: | CADmi=6MeND5hbhgbHvB59+0RF4BC2CdmqR00GfkWaCs1VBs_2w@mail.gmail.com |
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| Lists: | pgsql-general |
On 4 April 2014 11:03, François Beausoleil <francois(at)teksol(dot)info> wrote:
> Hi all!
>
> Does PG perform that much better on FreeBSD? I have some performance issues on a Ubuntu 12.04 which I'd like to resolve. iowait varies a lot, between 5 and 50%. Does FreeBSD better schedule I/O, which could alleviate some of the issues, or not at all? I have no experience administering FreeBSD, but I'm willing to learn if I'll get some performance enhancements out of the switch.
Ubuntu 14.04 LTS is being released in a few days and you might have
more success with its newer kernel. And try different schedulers if
you haven't already - IIRC switching to deadline resolved one of our
load problems.
--
Stuart Bishop <stuart(at)stuartbishop(dot)net>
http://www.stuartbishop.net/
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