Re: Moving more work outside WALInsertLock - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Moving more work outside WALInsertLock
Date
Msg-id CA+U5nMLukq7BWtMNUe2OObCrmL7ZMn9+aqi8p06HpgsRxt=sfg@mail.gmail.com
Whole thread Raw
In response to Re: Moving more work outside WALInsertLock  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Sun, Dec 25, 2011 at 7:48 PM, Robert Haas <robertmhaas@gmail.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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