Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Kevin Kempter
On Monday 27 August 2007 16:04:39 Decibel! wrote: > On Mon, Aug 27, 2007 at 04:56:33PM -0500, Kevin Grittner wrote: > > >>> Decibel! <[EMAIL PROTECTED]> 08/27/07 4:00 PM >>> > > >>> > > > > > They're running version 8.1.4 > > > > > > As for your pg_dump idea... why not just do a CREATE TABLE AS SE

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Kevin Kempter
On Monday 27 August 2007 15:00:41 you wrote: > On Fri, Aug 24, 2007 at 04:41:44PM -0400, Bill Moran wrote: > > In response to Kevin Kempter <[EMAIL PROTECTED]>: > > > Hi List; > > > > > > I've just started working with a client that has been running Postgres > > > (with no DBA) for a few years. The

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Decibel!
On Mon, Aug 27, 2007 at 04:56:33PM -0500, Kevin Grittner wrote: > >>> Decibel! <[EMAIL PROTECTED]> 08/27/07 4:00 PM >>> > > > > They're running version 8.1.4 > > > > As for your pg_dump idea... why not just do a CREATE TABLE AS SELECT * > > FROM bloated_table? That would likely be much faster th

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Kevin Kempter
On Monday 27 August 2007 15:56:33 Kevin Grittner wrote: > >>> Decibel! <[EMAIL PROTECTED]> 08/27/07 4:00 PM >>> > >>> > > > > They're running version 8.1.4 > > > > As for your pg_dump idea... why not just do a CREATE TABLE AS SELECT * > > FROM bloated_table? That would likely be much faster than m

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Kevin Grittner
>>> Decibel! <[EMAIL PROTECTED]> 08/27/07 4:00 PM >>> > > > They're running version 8.1.4 > > As for your pg_dump idea... why not just do a CREATE TABLE AS SELECT * > FROM bloated_table? That would likely be much faster than messing around > with pg_dump. He wanted to upgrade to 8.2.4. CREATE

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-27 Thread Decibel!
On Fri, Aug 24, 2007 at 04:41:44PM -0400, Bill Moran wrote: > In response to Kevin Kempter <[EMAIL PROTECTED]>: > > > Hi List; > > > > I've just started working with a client that has been running Postgres > > (with > > no DBA) for a few years. They're running version 8.1.4 on 4-way dell boxes

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Kevin Kempter
On Friday 24 August 2007 15:39:22 Tom Lane wrote: > Kevin Kempter <[EMAIL PROTECTED]> writes: > > The development folks that have been here awhile tell me that it seems > > like when they have a query (not limited to vacuum processes) that has > > been running for a long time (i.e. > 5 or 6 hours)

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Tom Lane
Kevin Kempter <[EMAIL PROTECTED]> writes: > The development folks that have been here awhile tell me that it seems like > when they have a query (not limited to vacuum processes) that has been > running for a long time (i.e. > 5 or 6 hours) that the query sort of "goes > crazy" and the entire sy

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Bill Moran
In response to "Kevin Grittner" <[EMAIL PROTECTED]>: > >>> On Fri, Aug 24, 2007 at 2:57 PM, in message > <[EMAIL PROTECTED]>, Kevin Kempter > <[EMAIL PROTECTED]> wrote: > >c) setup WAL archiving on the 8.1.4 cluster > > > >d) do a full dump of the 8.1.4 cluster and restore it to the new

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Kevin Grittner
>>> On Fri, Aug 24, 2007 at 2:57 PM, in message <[EMAIL PROTECTED]>, Kevin Kempter <[EMAIL PROTECTED]> wrote: >c) setup WAL archiving on the 8.1.4 cluster > >d) do a full dump of the 8.1.4 cluster and restore it to the new 8.2.4 > cluster > >e) stop the 8.2.4 cluster and bring it u

Re: [PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Bill Moran
In response to Kevin Kempter <[EMAIL PROTECTED]>: > Hi List; > > I've just started working with a client that has been running Postgres (with > no DBA) for a few years. They're running version 8.1.4 on 4-way dell boxes > with 4Gig of memory on each box attached to RAID-10 disk arrays. > > So

[PERFORM] significant vacuum issues - looking for suggestions

2007-08-24 Thread Kevin Kempter
Hi List; I've just started working with a client that has been running Postgres (with no DBA) for a few years. They're running version 8.1.4 on 4-way dell boxes with 4Gig of memory on each box attached to RAID-10 disk arrays. Some of their key config settings are here: shared_buffers = 20480