| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Kevin Grittner <kgrittn(at)ymail(dot)com>, Mel Gorman <mgorman(at)suse(dot)de>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Joshua Drake <jd(at)commandprompt(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Magnus Hagander <magnus(at)hagander(dot)net>, "lsf-pc(at)lists(dot)linux-foundation(dot)org" <lsf-pc(at)lists(dot)linux-foundation(dot)org> |
| Subject: | Re: Linux kernel impact on PostgreSQL performance |
| Date: | 2014-01-14 01:48:57 |
| Message-ID: | 20140114014857.GD20335@awork2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2014-01-13 10:56:00 -0800, Josh Berkus wrote:
> Well, it was the lack of sysctl options which takes the 2Q change from
> "annoyance" to "potential disaster". We can't ever get away from the
> possibility that the Postgres use-case might be the minority use-case,
> and we might have to use non-default options. It's when those options
> aren't present *at all* that we're stuck.
Unless I am missing something the kernel's going further *away* from a
simple 2q system, not the contrary.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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