Re: [PERFORM] postgres: 100% CPU utilization

2007-04-26 Thread Mark Kirkwood
Sergey Tsukinovsky wrote: Just for the record - the hardware that was used for the test has the following parameters: AMD Opteron 2GHZ 2GB RAM LSI Logic SCSI And you ran FreeBSD 4.4 on it right? This may be a source of high cpu utilization in itself if the box is SMP or dual core, as multi-c

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-26 Thread Scott Marlowe
On Tue, 2007-04-24 at 10:30, Sergey Tsukinovsky wrote: > Thanks for this reply, Ron. > This is almost what I was looking for. > > While the upgrade to the latest version is out of the question (which > unfortunately for me became the subject of this discussion) still, I was > looking for the ways

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-26 Thread Sergey Tsukinovsky
D] On Behalf Of Ron Sent: Monday, April 23, 2007 11:07 AM To: Mario Weilguni Cc: pgsql-performance@postgresql.org Subject: Re: [PERFORM] postgres: 100% CPU utilization At 04:53 AM 4/23/2007, Mario Weilguni wrote: >Am Donnerstag, 19. April 2007 schrieb Sergey Tsukinovsky: > > 2. What would be t

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Greg Smith
On Mon, 23 Apr 2007, Scott Marlowe wrote: I honestly kinda wondered if the original post came out of a time warp, like some mail relay somewhere held onto it for 4 years or something. That wouldn't be out of the question if this system is also his mail server. -- * Greg Smith [EMAIL PROTECT

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Mark Kirkwood
Scott Marlowe wrote: (snippage) that's the kinda hardware I was running 7.0.2 on, so you might as well get retro in your hardware department while you're at it. Notice he's running FreeBSD 4.4(!), so it could well be a very old machine... Cheers Mark ---(end of b

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Scott Marlowe
On Mon, 2007-04-23 at 15:00, Vivek Khera wrote: > On Apr 23, 2007, at 12:09 PM, Scott Marlowe wrote: > > > And do you have 32 or 64 Megs of memory in that machine? > > > > Cause honestly, that's the kinda hardware I was running 7.0.2 on, > > so you > > might as well get retro in your hardware de

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Vivek Khera
On Apr 23, 2007, at 12:09 PM, Scott Marlowe wrote: And do you have 32 or 64 Megs of memory in that machine? Cause honestly, that's the kinda hardware I was running 7.0.2 on, so you might as well get retro in your hardware department while you're at it. I think you're being too conservati

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Scott Marlowe
On Thu, 2007-04-19 at 14:29, Sergey Tsukinovsky wrote: > Hi, > > > > I’m currently dealing with performance issues of postgres and looking > for some advice. > > > > Platform > > Postgres: 7.0.2 > > OS: FreeBSD4.4 > > DB: size - about 50M, most frequently updated tables are of an average

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Ron
At 04:53 AM 4/23/2007, Mario Weilguni wrote: Am Donnerstag, 19. April 2007 schrieb Sergey Tsukinovsky: > 2. What would be the recommended set of parameters to tune up in order > to improve the performance over the time, instead of considering an > option to vacuum every 30 minutes or so? > > 3. I

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 Thread Mario Weilguni
Am Donnerstag, 19. April 2007 schrieb Sergey Tsukinovsky: > 2. What would be the recommended set of parameters to tune up in order > to improve the performance over the time, instead of considering an > option to vacuum every 30 minutes or so? > > 3. Is it safe to run 'vacuum' as frequently as ever

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-22 Thread Andreas Tille
On Thu, 19 Apr 2007, Sergey Tsukinovsky wrote: I know that 7.0.2 is an old version and therefore ran the same test on 7.3.18 - the performance behavior was similar. Why have you choosen just another very old version for performance comparison and not the latest stable release? Kind regards

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-22 Thread Tom Lane
"Sergey Tsukinovsky" <[EMAIL PROTECTED]> writes: > I'm currently dealing with performance issues of postgres and looking > for some advice. > Postgres: 7.0.2 Stop right there. You have *no* business asking for help on an installation you have not updated in more than six years.

[PERFORM] postgres: 100% CPU utilization

2007-04-22 Thread Sergey Tsukinovsky
Hi, I'm currently dealing with performance issues of postgres and looking for some advice. Platform Postgres: 7.0.2 OS: FreeBSD4.4 DB: size - about 50M, most frequently updated tables are of an average size of 1000-2000 rows and there are not many of them, about 15 in total Descripti