Re: [PERFORM] Memory usage - indexes

2010-09-28 Thread Tobias Brox
I just got this crazy, stupid or maybe genius idea :-) One thing that I've learned in this thread is that fat indexes (i.e. some index on some_table(a,b,c,d,e,f)) is to be avoided as much as possible. One of our biggest indexes looks like this: acc_trans(customer_id, trans_type, created) For th

Re: [PERFORM] Running 9 in production? Sticking with 8.4.4 for a while?

2010-09-28 Thread Tory M Blue
On Tue, Sep 28, 2010 at 3:14 PM, Guy Rouillier wrote: > On 9/28/2010 4:45 PM, Greg Smith wrote: >> >> Tory M Blue wrote: >>> >>> I'm doing an OS upgrade and have been sitting on 8.4.3 for sometime. I >>> was wondering if it's better for the short term just to bring things >>> to 8.4.4 and let 9.0

Re: [PERFORM] Running 9 in production? Sticking with 8.4.4 for a while?

2010-09-28 Thread Guy Rouillier
On 9/28/2010 4:45 PM, Greg Smith wrote: Tory M Blue wrote: I'm doing an OS upgrade and have been sitting on 8.4.3 for sometime. I was wondering if it's better for the short term just to bring things to 8.4.4 and let 9.0 bake a bit longer, or are people with large data sets running 9.0 in product

Re: [PERFORM] Running 9 in production? Sticking with 8.4.4 for a while?

2010-09-28 Thread Greg Smith
Tory M Blue wrote: I'm doing an OS upgrade and have been sitting on 8.4.3 for sometime. I was wondering if it's better for the short term just to bring things to 8.4.4 and let 9.0 bake a bit longer, or are people with large data sets running 9.0 in production already? I'm aware of two people

Re: [PERFORM] Running 9 in production? Sticking with 8.4.4 for a while?

2010-09-28 Thread Michael Gould
Tory, We will continue to test under 9.0 but will keep production at 8.4.4 for a while longer as we want to see what kinds of issues show up over the next few weeks with 9.0. 9.0 has some features we would like to use but it isn't worth the risk of production. I think that the PostGres team has o

[PERFORM] Running 9 in production? Sticking with 8.4.4 for a while?

2010-09-28 Thread Tory M Blue
I'm doing an OS upgrade and have been sitting on 8.4.3 for sometime. I was wondering if it's better for the short term just to bring things to 8.4.4 and let 9.0 bake a bit longer, or are people with large data sets running 9.0 in production already? Just looking for 9.0 feedback (understand it's s

Re: [PERFORM] Query much faster with enable_seqscan=0

2010-09-28 Thread Robert Haas
On Wed, Sep 22, 2010 at 9:36 AM, Ogden wrote: > > On Sep 21, 2010, at 2:34 PM, Ogden wrote: > >> >> On Sep 21, 2010, at 2:16 PM, Greg Smith wrote: >> >>> Joshua D. Drake wrote: PostgreSQL's defaults are based on extremely small and some would say (non production) size databases. As a mat

Re: [PERFORM] Clean up of archived Xlogs in postgres-9.

2010-09-28 Thread Erik Rijkers
On Tue, September 28, 2010 12:01, Nimesh Satam wrote: > Hi, > > Can any one of you suggest how the archived Xlogs can be cleaned in > postgres-9. > > We want to use streaming replication and have set the "wal_level" to > "hot_standby" and "archive_mode" to "on". > See contrib/pg_archivecleanup: h

[PERFORM] Clean up of archived Xlogs in postgres-9.

2010-09-28 Thread Nimesh Satam
Hi, Can any one of you suggest how the archived Xlogs can be cleaned in postgres-9. We want to use streaming replication and have set the "wal_level" to "hot_standby" and "archive_mode" to "on". Regards, Nimesh.

Re: [PERFORM] postgresql-9.0 Windows service stops after database transaction

2010-09-28 Thread Craig Ringer
On 27/09/10 08:06, adrian.kitching...@dse.vic.gov.au wrote: > > /2010-09-27 09:53:19 EST LOG: server process (PID 2564) was terminated > by exception 0xC005/ > /2010-09-27 09:53:19 EST HINT: See C include file "ntstatus.h" for a > description of the hexadecimal value./ That's an access viol