| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Moving more work outside WALInsertLock |
| Date: | 2012-01-08 20:22:57 |
| Message-ID: | CA+U5nMLukq7BWtMNUe2OObCrmL7ZMn9+aqi8p06HpgsRxt=sfg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Dec 25, 2011 at 7:48 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> m01 tps = 631.875547 (including connections establishing)
> x01 tps = 611.443724 (including connections establishing)
> m08 tps = 4573.701237 (including connections establishing)
> x08 tps = 4576.242333 (including connections establishing)
> m16 tps = 7697.783265 (including connections establishing)
> x16 tps = 7837.028713 (including connections establishing)
> m24 tps = 11613.690878 (including connections establishing)
> x24 tps = 12924.027954 (including connections establishing)
> m32 tps = 10684.931858 (including connections establishing)
> x32 tps = 14168.419730 (including connections establishing)
> m80 tps = 10259.628774 (including connections establishing)
> x80 tps = 13864.651340 (including connections establishing)
I think a 5% loss on 1 session is worth a 40% gain on a full loaded system.
Well done Heikki.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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