Re: [PERFORM] - why only 9.1?

2013-04-22 Thread Ireneusz Pluta
W dniu 2013-04-21 19:28, Scott Marlowe pisze: My DB version is little old - 8.1.18. Well upgrade as soon as possible. 9.1 is pretty darn stable. Scott, excuse me this somewhat off-topic question. Good to hear that 9.1 is so stable, because this is what I currently use in production. But why

[PERFORM] template1 vacuuming consuming much time compared to another production DBs

2013-04-22 Thread pradeep singh
Hi, I am using postgresql 8.1 DB. I have a large DB and i run the vacuum every hour with vocuumdb --analyze -a option. Some times template1 consumes much time in comparison to my own DB.I think at these times the load on OS is higher. But from iostat logs i can see that the load on the partition

Re: [PERFORM] template1 vacuuming consuming much time compared to another production DBs

2013-04-22 Thread Andrew Dunstan
On 04/22/2013 07:31 AM, pradeep singh wrote: Hi, I am using postgresql 8.1 DB. Why are you using a release of Postgres that is way out of date and unsupported? cheers andrew -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your

[PERFORM] Performance with the new security release

2013-04-22 Thread Anne Rosset
Hi, We are seeing some overall performance degradation in our application since we installed the security release. Other commits were also done at the same time in the application so we don't know yet if the degradation has any relationship with the security release. While we are digging into

Re: [PERFORM] Performance with the new security release

2013-04-22 Thread Heikki Linnakangas
On 22.04.2013 19:48, Anne Rosset wrote: Hi, We are seeing some overall performance degradation in our application since we installed the security release. Other commits were also done at the same time in the application so we don't know yet if the degradation has any relationship with the

Re: [PERFORM] Issues with OSX and SHMMAX?

2013-04-22 Thread Josh Berkus
On 04/21/2013 02:33 PM, Evgeny Shishkin wrote: On Apr 22, 2013, at 1:29 AM, Josh Berkus j...@agliodbs.com wrote: Folks, I've heard a rumor that the most recent update of OSX mountain lion lowers the installed SHMMAX to 4MB, which prevents PostgreSQL from installing. Can anyone verify

Re: [PERFORM] Issues with OSX and SHMMAX?

2013-04-22 Thread Steve Atkins
On Apr 22, 2013, at 11:19 AM, Josh Berkus j...@agliodbs.com wrote: On 04/21/2013 02:33 PM, Evgeny Shishkin wrote: On Apr 22, 2013, at 1:29 AM, Josh Berkus j...@agliodbs.com wrote: Folks, I've heard a rumor that the most recent update of OSX mountain lion lowers the installed SHMMAX to

Re: [PERFORM] Issues with OSX and SHMMAX?

2013-04-22 Thread Tom Lane
Steve Atkins st...@blighty.com writes: On Apr 22, 2013, at 11:19 AM, Josh Berkus j...@agliodbs.com wrote: On 04/21/2013 02:33 PM, Evgeny Shishkin wrote: On Apr 22, 2013, at 1:29 AM, Josh Berkus j...@agliodbs.com wrote: I've heard a rumor that the most recent update of OSX mountain lion lowers

Re: [PERFORM] template1 vacuuming consuming much time compared to another production DBs

2013-04-22 Thread pradeep singh
I am using this DB since last 3 or 4 years. And suddenly we can't update it. We are planning it at the end of year. Recently we faced the template1 wraparound issue. So we added template1 also for vacuuming. We are vacuuming the DB each hour with 'vacuumdb --analyze -a' options. Now the vacuuming