Exactly, if turning off fsync gives me 100 commits/sec then I know where my bottleneck is and I can attack it. Keep in mind though that I already turned off synchronous commit -- *really* dangerous -- and it didn't have any effect. -- Les -----Original Message----- From: pgsql-performance-owner@xxxxxxxxxxxxxx [mailto:pgsql-performance-owner@xxxxxxxxxxxxxx] On Behalf Of Merlin Moncure Sent: Monday, April 30, 2012 6:04 PM To: Thomas Kellerer Cc: pgsql-performance@xxxxxxxxxxxxxx Subject: Re: Tuning Postgres 9.1 on Windows On Mon, Apr 30, 2012 at 5:00 PM, Thomas Kellerer <spam_eater@xxxxxxx> wrote: > Merlin Moncure wrote on 30.04.2012 23:43: > >> Trying turning off fsync in postgrsql.conf to be sure. > > > This is a dangerous advise. > Turning off fsync can potentially corrupt the database in case of a > system failure (e.g. power outage). > sure. that said, we're just trying to figure out why he's getting around 40tps. since he's only benchmarking test data it's perfectly ok to do that. merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance CONFIDENTIAL: This e-mail, including its contents and attachments, if any, are confidential. If you are not the named recipient please notify the sender and immediately delete it. You may not disseminate, distribute, or forward this e-mail message or disclose its contents to anybody else. Copyright and any other intellectual property rights in its contents are the sole property of Cantor Fitzgerald. E-mail transmission cannot be guaranteed to be secure or error-free. The sender therefore does not accept liability for any errors or omissions in the contents of this message which arise as a result of e-mail transmission. If verification is required please request a hard-copy version. Although we routinely screen for viruses, addressees should check this e-mail and any attachments for viruses. We make no representation or warranty as to the absence of viruses in this e-mail or any attachments. Please note that to ensure regulatory compliance and for the protection of our customers and business, we may monitor and read e-mails sent to and from our server(s). For further important information, please see http://www.cantor.com/legal/statement -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
