Re: [PERFORM] postgres: 100% CPU utilization

2007-04-26 Thread Sergey Tsukinovsky
] 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 the recommended set

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 to

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

Re: [PERFORM] postgres: 100% CPU utilization

2007-04-23 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

2007-04-23 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 every

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. Is it

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 size of

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

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 department

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

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

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.