Re: [HACKERS] URGENT HELP about 'duration' stats

2007-11-01 Thread Camilo Porto
[Camilo Porto] > Date: Tue, 30 Oct 2007 16:09:01 + > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > Subject: Re: [HACKERS] URGENT HELP about 'duration' stats > CC: pgsql-hackers@postgresql.org > > 2007/10/30, Camilo Porto <[EMAIL PROTECTED]>: >

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-30 Thread Alvaro Herrera
Camilo Porto wrote: > In some tests I have done, I have found these results: > - Total Time interval which BenchmarkSQL submitted queries = 30 seconds > > - sum of executor's duration time during this period of time = 2 > minutes and 36 seconds!! (5x longer than total time) Are you sure you're

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-30 Thread Filip RembiaƂkowski
2007/10/30, Camilo Porto <[EMAIL PROTECTED]>: > > > I am simulating only 1 client with the Benchmark. Can 1 Client submit > > > parallel queries, in single-processor enviroment? > > If this client uses two connections, you can run two queries in paralell. > The client uses only 1 connection. I

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-30 Thread Camilo Porto
[Camilo Porto] > Date: Sat, 27 Oct 2007 18:12:28 +0100 > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > Subject: Re: [HACKERS] URGENT HELP about 'duration' stats > CC: pgsql-hackers@postgresql.org > > 2007/10/27, Camilo Porto <[EMAIL PROTECTED]>: > &

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-27 Thread Filip RembiaƂkowski
2007/10/27, Camilo Porto <[EMAIL PROTECTED]>: > The parallelism happens even if my PC has only one processor? PostgreSQL creates a separate process for each client connection - whether you have one CPU or more. > Each query is executed in a separeted Thread? No threads, at least on Unix. Regular

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-27 Thread Camilo Porto
[Camilo Porto] > To: [EMAIL PROTECTED] > CC: pgsql-hackers@postgresql.org > Subject: Re: [HACKERS] URGENT HELP about 'duration' stats > Date: Fri, 26 Oct 2007 23:06:22 -0400 > From: [EMAIL PROTECTED] > > Camilo Porto <[EMAIL PROTECTED]> writes: > >

Re: [HACKERS] URGENT HELP about 'duration' stats

2007-10-26 Thread Tom Lane
Camilo Porto <[EMAIL PROTECTED]> writes: > The problem I have encountered is that the sum of executor's > duration time is, *sometimes*, bigger than the total time interval in > which the statements had been executed!! And this makes no sense! Umm ... why not? If you have, say, two queries execut

[HACKERS] URGENT HELP about 'duration' stats

2007-10-26 Thread Camilo Porto
Hi, I have been doing my master degree research and I am using Postgresql 8.2.5. I would appreciate if anyone could help me, ASAP, concerning the following question: How can I obtain the time spent by the Postgresql EXECUTOR during a given time interval? I am trying to get the above info