From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
Cc: | Nils Goroll <slink(at)schokola(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Merlin Moncure <mmoncure(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: experimental: replace s_lock spinlock code with pthread_mutex on linux |
Date: | 2012-06-28 15:29:10 |
Message-ID: | CA+TgmobwvB7GxxY=LZZALFwH8m8jgfzMuD-aYRPgxU0=w0pTeA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Thu, Jun 28, 2012 at 11:21 AM, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
> Also, 20 transactions per connection is not enough of a run to make
> any evaluation on.
FWIW, I kicked off a looong benchmarking run on this a couple of days
ago on the IBM POWER7 box, testing pgbench -S, regular pgbench, and
pgbench --unlogged-tables at various client counts with and without
the patch; three half-hour test runs for each test configuration. It
should be done tonight and I will post the results once they're in.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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