[ADMIN] Postgresql shared_buffer and SHMMAX configuration

2010-07-09 Thread Gnanakumar
Hi, Recently we upgraded our production server RAM from 7.5GB to 15GB for the following reasons: 1. to solve performance issues 2. the number of concurrent users increased from 150 to 300 Our production server is not a dedicated database server and is being shared with our other

[ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Thomas Kellerer
Hi, we are contemplating the possibilities for a Postgres HA installation. As the rollout is targeted towards the end of the year, 9.0 and it's new features might be an option for us. Now from a HA point of view, what is the major difference between 9.0's Hot Standby and 8.x's Warm Standby?

Re: [ADMIN] Monitoring PostgreSQL on Windows 2003

2010-07-09 Thread Andreas Schmidt
You can use select client_addr, current_query from pg_stat_activity; to show all db-connection and the running queries. Regards, murphy Von: pgsql-admin-ow...@postgresql.org [mailto:pgsql-admin-ow...@postgresql.org] Im Auftrag von VĂ­tor Gesendet: Freitag, 2. Juli 2010 14:10 An:

Re: [ADMIN] Postgresql shared_buffer and SHMMAX configuration

2010-07-09 Thread Kevin Grittner
Gnanakumar gna...@zoniac.com wrote: max_connection From - 500 To - 500 PGPOOL configuration - num_init_children From - 150 To - 420 child_max_connections From - 20 To - 30 We have more than 300 Users accessing our server

[ADMIN] Large files in main/base

2010-07-09 Thread Henry, Frank
Hello everyone, We had a problem with one of our servers and had noticed that the postgres/8.3/main folder had become quite large (650mb). PostgreSQL confirmed this via a query but when I queried the size of the tables I was barely reaching 3mb. After looking around, I found one file with about

[ADMIN] Postgresql shared_buffer and SHMMAX configuration.

2010-07-09 Thread Ezhil Sundaram
Hi, Recently we upgraded our production server from 7.5GB RAM to 15GB RAM. 1. To solve performance issue. 2. Also the number of concurrent users increased from 150 to 300. Our production server is not dedicated server. We have also 1. Tomcat 2. Apache 3. Cron based

Re: [ADMIN] Large files in main/base

2010-07-09 Thread Scott Marlowe
On Fri, Jul 9, 2010 at 7:31 AM, Henry, Frank frank.he...@barco.com wrote: Hello everyone, We had a problem with one of our servers and had noticed that the postgres/8.3/main folder had become quite large (650mb). PostgreSQL confirmed this via a query but when I queried the size of the tables

Re: [ADMIN] Large files in main/base

2010-07-09 Thread Tom Lane
Scott Marlowe scott.marl...@gmail.com writes: On Fri, Jul 9, 2010 at 7:31 AM, Henry, Frank frank.he...@barco.com wrote: What is it? Why don't you tell us? The exact name of the file might be useful information, too. regards, tom lane -- Sent via pgsql-admin mailing

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Rob Wultsch
On Fri, Jul 9, 2010 at 4:51 AM, Thomas Kellerer spam_ea...@gmx.net wrote: Hi, we are contemplating the possibilities for a Postgres HA installation. As the rollout is targeted towards the end of the year, 9.0 and it's new features might be an option for us. Now from a HA point of view,

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Thomas Kellerer
Hi, Rob Wultsch wrote on 09.07.2010 18:14: I am aware that I can use the 9.0 standby server for read only queries, but that is (currently) not something we need Taking SQL backups without impacting the master might be something to consider. Interesting point. Thanks for mentioning that.

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Kevin Grittner
Thomas Kellerer spam_ea...@gmx.net wrote: So my assumption is correct that streaming replication does mean that in case of a failover less transactions are lost? Yes, that is correct. -Kevin -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Brad Nicholson
On Fri, 2010-07-09 at 18:31 +0200, Thomas Kellerer wrote: Hi, Rob Wultsch wrote on 09.07.2010 18:14: I am aware that I can use the 9.0 standby server for read only queries, but that is (currently) not something we need Taking SQL backups without impacting the master might be

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Kasia Tuszynska
Since the topic is very relevant to me right now I would like to ask if anyone is running a HA solution in the cloud? Thanks, Kasia -Original Message- From: pgsql-admin-ow...@postgresql.org [mailto:pgsql-admin-ow...@postgresql.org] On Behalf Of Brad Nicholson Sent: Friday, July 09,

Re: [ADMIN] PgsqlODBC 8.1 and 8.4 side-by-side installation

2010-07-09 Thread David Bear
On Wed, Jul 7, 2010 at 9:49 AM, Rob Richardson rob.richard...@rad-con.comwrote: I wanted to try using the ODBC driver for PostgreSQL 8.4. But when I installed it, I was surprised and dismayed to see that the old driver no longer appeared in the list of available drivers when I tried to

Re: [ADMIN] Large files in main/base

2010-07-09 Thread Joshua D. Drake
On Fri, 2010-07-09 at 15:31 +0200, Henry, Frank wrote: Hello everyone, We had a problem with one of our servers and had noticed that the postgres/8.3/main folder had become quite large (650mb). PostgreSQL confirmed this via a query but when I queried the size of the tables I was barely

Re: [ADMIN] Large files in main/base

2010-07-09 Thread Scott Marlowe
On Fri, Jul 9, 2010 at 7:31 AM, Henry, Frank frank.he...@barco.com wrote: Hello everyone, We had a problem with one of our servers and had noticed that the postgres/8.3/main folder had become quite large (650mb). PostgreSQL confirmed this via a query but when I queried the size of the tables

Re: [ADMIN] High Availability: Hot Standby vs. Warm Standby

2010-07-09 Thread Brad Nicholson
On Fri, 2010-07-09 at 10:25 -0700, Kasia Tuszynska wrote: Since the topic is very relevant to me right now I would like to ask if anyone is running a HA solution in the cloud? While running databases in a cloud does come with it's own set of issues/challenges, I don't see what would be