Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-02-04 Thread jiniusatwork-postgresql
- Original Message From: Greg Smith [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: pgsql-general@postgresql.org Sent: Sunday, February 3, 2008 8:43:28 PM Subject: Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris? On Thu, 31 Jan 2008, [EMAIL PROTECTED

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-02-03 Thread Greg Smith
On Thu, 31 Jan 2008, [EMAIL PROTECTED] wrote: I haven't done any tuning as of yet. I'm running with the default settings produced by initdb. The default settings are junk and the disk pattern will change once they're set correctly, so tuning ZFS first and then PostgreSQL is probably

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-02-02 Thread Robert Treat
On Thursday 31 January 2008 07:08, [EMAIL PROTECTED] wrote: [Following up on my own message.] Also, let us know your wal tunning parameters like commit_delay, fsync. I haven't done any tuning as of yet. I'm running with the default settings produced by

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-02-02 Thread jiniusatwork-postgresql
Don't even bother trying to tune zfs untill after you've tuned postgres, otherwise your wasting your time. -- Robert Treat Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL As it turns out, I think the ZFS-on-RAID setup I had is the problem[1]. After running some more I/O tests

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-01-31 Thread Mayuresh Nirhali
Bob, First, Which exact version of S10 are you using ? In general, I have seen having logs and data on different pools helps. Also, let us know your wal tunning parameters like commit_delay, fsync. If you are using S10u4, setting commit_delay to a non zero number should help get better

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-01-31 Thread jiniusatwork-postgresql
Mayuresh, comments in-lined, below ... - Original Message From: Mayuresh Nirhali [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: pgsql-general@postgresql.org Sent: Thursday, January 31, 2008 6:23:23 AM Subject: Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones

Re: [GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-01-31 Thread jiniusatwork-postgresql
[Following up on my own message.] Also, let us know your wal tunning parameters like commit_delay, fsync. I haven't done any tuning as of yet. I'm running with the default settings produced by initdb. Bob ---(end of

[GENERAL] Performance problems with Postgresql/ZFS/Non-global zones on Solaris?

2008-01-30 Thread jiniusatwork-postgresql
In the hopes that someone has already blazed this trail ... I'm running Postgresql (v8.1.10) on Solaris 10 (Sparc) from within a non-global zone. I originally had the database storage in the non-global zone (e.g. /var/local/pgsql/data on a UFS filesystem) and was getting performance of X