Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-17 Thread Ow Mun Heng
On Wed, 2007-10-10 at 19:49 -0500, Scott Marlowe wrote: > On 10/10/07, Radhika S <[EMAIL PROTECTED]> wrote: > > Thank you scott. > > > > We plan on upgrading to Postgres 8.2 very soon. > > Would it be safe to say I can make my SHARED BUFFER setting 200MB (I have > > 2GB memory ). > > The default i

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-10 Thread Scott Marlowe
On 10/10/07, Radhika S <[EMAIL PROTECTED]> wrote: > Thank you scott. > > We plan on upgrading to Postgres 8.2 very soon. > Would it be safe to say I can make my SHARED BUFFER setting 200MB (I have > 2GB memory ). > The default is 24MB. On a dedicated db machine with 2 Gigs of ram 500Meg is fine.

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-10 Thread Radhika S
Thank you scott. We plan on upgrading to Postgres 8.2 very soon. Would it be safe to say I can make my SHARED BUFFER setting 200MB (I have 2GB memory ). The default is 24MB. Regds, Radhika On 10/10/07, Scott Marlowe <[EMAIL PROTECTED]> wrote: > > On 10/9/07, Radhika S <[EMAIL PROTECTED]> wrote:

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-10 Thread Scott Marlowe
On 10/10/07, Josh Trutwin <[EMAIL PROTECTED]> wrote: > On Wed, 10 Oct 2007 10:20:02 -0500 > "Scott Marlowe" <[EMAIL PROTECTED]> wrote: > > > In 7.4, using 25% is often too high a setting for it to handle well, > > and the practical useful maximum is usually under 10,000 > > shared_buffers, and ofte

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-10 Thread Josh Trutwin
On Wed, 10 Oct 2007 10:20:02 -0500 "Scott Marlowe" <[EMAIL PROTECTED]> wrote: > In 7.4, using 25% is often too high a setting for it to handle well, > and the practical useful maximum is usually under 10,000 > shared_buffers, and often closer to 1,000 to 5,000 Scott - interesting reply. Is this

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-10 Thread Scott Marlowe
On 10/9/07, Radhika S <[EMAIL PROTECTED]> wrote: > Hi, > Along with my previous message (slow postgres), I notice the shared buffer > setting for our production database is set to 1000. > How much higher can I go? I don't know how much my kernel can take? > > I am running postgres 7.4.6 on Redhat

Re: [PERFORM] Shared Buffer setting in postgresql.conf

2007-10-09 Thread Marcin Stępnicki
On 10/9/07, Radhika S <[EMAIL PROTECTED]> wrote: > Hi, > Along with my previous message (slow postgres), I notice the shared buffer > setting for our production database is set to 1000. > How much higher can I go? I don't know how much my kernel can take? A lot higher. How much memory do you have

[PERFORM] Shared Buffer setting in postgresql.conf

2007-10-09 Thread Radhika S
Hi, Along with my previous message (slow postgres), I notice the shared buffer setting for our production database is set to 1000. How much higher can I go? I don't know how much my kernel can take? I am running postgres 7.4.6 on Redhat enterprise 3 server. Thanks, Radhika -- It is all a matte