Re: [PERFORM] Really bad diskio

2005-07-16 Thread Ron Wills
At Fri, 15 Jul 2005 14:39:36 -0600, Ron Wills wrote: I just wanted to thank everyone for their help. I believe we found a solution that will help with this problem, with the hardware configuration and caching the larger tables into smaller data sets. A valuable lesson learned from this ;) > He

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Ron Wills
At Fri, 15 Jul 2005 14:53:26 -0700, Jeffrey W. Baker wrote: > > On Fri, 2005-07-15 at 15:29 -0600, Ron Wills wrote: > > Here's a bit of a dump of the system that should be useful. > > > > Processors x2: > > > > vendor_id : AuthenticAMD > > cpu family : 6 > > model : 8 > > mo

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Jeffrey W. Baker
On Fri, 2005-07-15 at 15:29 -0600, Ron Wills wrote: > Here's a bit of a dump of the system that should be useful. > > Processors x2: > > vendor_id : AuthenticAMD > cpu family : 6 > model : 8 > model name : AMD Athlon(tm) MP 2400+ > stepping: 1 > cpu MHz :

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Ron Wills
At Fri, 15 Jul 2005 14:17:34 -0700, Jeffrey W. Baker wrote: > > On Fri, 2005-07-15 at 15:04 -0600, Ron Wills wrote: > > At Fri, 15 Jul 2005 13:45:07 -0700, > > Joshua D. Drake wrote: > > > > > > Ron Wills wrote: > > > > Hello all > > > > > > > > I'm running a postgres 7.4.5, on a dual 2.4Ghz A

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Ron Wills
At Fri, 15 Jul 2005 14:00:07 -0700, Jeffrey W. Baker wrote: > > On Fri, 2005-07-15 at 14:39 -0600, Ron Wills wrote: > > Hello all > > > > I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and > > an 3Ware SATA raid. Currently the database is only 16G with about 2 > > tables with 5

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Jeffrey W. Baker
On Fri, 2005-07-15 at 15:04 -0600, Ron Wills wrote: > At Fri, 15 Jul 2005 13:45:07 -0700, > Joshua D. Drake wrote: > > > > Ron Wills wrote: > > > Hello all > > > > > > I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and > > > an 3Ware SATA raid. > > > > 2 drives? > > 4 drives?

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Alvaro Herrera
On Fri, Jul 15, 2005 at 03:04:35PM -0600, Ron Wills wrote: > > > Ron Wills wrote: > > > Hello all > > > > > > I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and > > > an 3Ware SATA raid. > > > 3 drives raid 5. I don't believe it's the raid. I've tested this by > moving the d

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Dan Harris
On Jul 15, 2005, at 2:39 PM, Ron Wills wrote: Hello all I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and an 3Ware SATA raid. Operating System? Which file system are you using? I was having a similar problem just a few days ago and learned that ext3 was the culprit.

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Jeffrey W. Baker
On Fri, 2005-07-15 at 14:39 -0600, Ron Wills wrote: > Hello all > > I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and > an 3Ware SATA raid. Currently the database is only 16G with about 2 > tables with 50+ row, one table 20+ row and a few small > tables. The larger tabl

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Ron Wills
At Fri, 15 Jul 2005 13:45:07 -0700, Joshua D. Drake wrote: > > Ron Wills wrote: > > Hello all > > > > I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and > > an 3Ware SATA raid. > > 2 drives? > 4 drives? > 8 drives? 3 drives raid 5. I don't believe it's the raid. I've teste

[PERFORM] Really bad diskio

2005-07-15 Thread Ron Wills
Hello all I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and an 3Ware SATA raid. Currently the database is only 16G with about 2 tables with 50+ row, one table 20+ row and a few small tables. The larger tables get updated about every two hours. The problem I having with

Re: [PERFORM] Really bad diskio

2005-07-15 Thread Joshua D. Drake
Ron Wills wrote: Hello all I'm running a postgres 7.4.5, on a dual 2.4Ghz Athlon, 1Gig RAM and an 3Ware SATA raid. 2 drives? 4 drives? 8 drives? RAID 1? 0? 10? 5? Currently the database is only 16G with about 2 tables with 50+ row, one table 20+ row and a few small tables. The l