| 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 |
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| 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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