From:
Peter Geoghegan <peter(at)2ndquadrant(dot)com>
To:
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc:
Robert Haas <robertmhaas(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>,
PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject:
Re: Group commit, revised
Date:
2012-01-21 03:37:22
Message-ID:
CAEYLb_UjzGO9axc7x-ONeCy8HdqfDCTo2bnAxCMQnGbPwb+Tsg@mail.gmail.com (view raw or flat )
Thread:
2012-01-15 22:42:11 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-16 08:11:53 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-17 14:35:28 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-17 17:37:16 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-17 18:15:33 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-18 01:23:23 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-18 22:38:30 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2012-01-19 17:40:08 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-20 03:46:54 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-20 15:30:33 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-20 22:30:06 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-21 03:13:56 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-21 03:37:22 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-01-25 08:11:00 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-26 02:10:47 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-27 13:35:26 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-27 13:38:57 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-30 14:57:27 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-30 15:18:32 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2012-01-30 15:32:01 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-30 19:55:07 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2012-01-30 20:04:24 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-30 23:35:53 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2012-01-31 07:43:30 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-31 08:02:24 from Simon Riggs <simon(at)2ndQuadrant(dot)com>
2012-01-31 14:24:45 from Robert Haas <robertmhaas(at)gmail(dot)com>
2012-01-31 14:44:19 from Peter Geoghegan <peter(at)2ndquadrant(dot)com>
2012-02-04 05:24:04 from Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
2012-02-07 08:15:08 from Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
2012-01-29 00:48:53 from Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
2012-01-29 19:53:01 from Jesper Krogh <jesper(at)krogh(dot)cc>
2012-01-29 21:20:07 from Greg Smith <greg(at)2ndQuadrant(dot)com>
2012-01-30 16:48:51 from Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
2012-01-25 03:50:22 from Simon Riggs <simon(at)2ndquadrant(dot)com>
2012-01-18 00:21:57 from Jim Nasby <jim(at)nasby(dot)net>
2012-01-18 00:31:06 from Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Lists:
pgsql-hackers
On 21 January 2012 03:13, Peter Geoghegan <peter(at)2ndquadrant(dot)com> wrote:
> I have taken the time to re-run the benchmark and update the wiki with
> that new information - I'd call it a draw.
On second though, the occasional latency spikes that we see with my
patch (which uses the poll() based latch in the run that is
benchmarked) might be significant - difficult to say. The averages are
about the same though.
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services
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