>- Sun V250 server
>- 2*1.3GHz Sparc IIIi CPU
>- 8GB RAM
>- 8*73GB SCSI drives
>- Solaris 10
>- Postgres 8
>4) We moved the pg_xlog files off /data/postgres (disks 2-7) and into
>/opt/pg_xlog (disks 0-1), but it seemed like performance decreased,
>so we moved them back again.
You have saturated SC
Paul,
> Has anyone experienced real performance gains by moving the pg_xlog
> files?
Yes. Both for data load and on OLTP workloads, this increased write
performance by as much as 15%. However, you need to configure the xlog
drive correctly, you can't just move it to a new disk.Make sure
Hi Paul, just some quick thoughts:
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> Paul Johnson
> Sent: Wednesday, July 06, 2005 10:16 AM
> To: pgsql-performance@postgresql.org
> Subject: [PERFORM] Data Warehousing Tuni
Hi all, we have the following setup:
- Sun V250 server
- 2*1.3GHz Sparc IIIi CPU
- 8GB RAM
- 8*73GB SCSI drives
- Solaris 10
- Postgres 8
Disks 0 and 1 are mirrored and contain the OS and the various software
packages, disks 2-7 are configured as a 320GB concatenation mounted on
/data, which is w