Re: [PERFORM] FW: performance issue with a 2.5gb joinded table

2013-01-04 Thread Daniel Westermann
-Original Message- From: Tom Lane [mailto:t...@sss.pgh.pa.us] Sent: Freitag, 4. Januar 2013 21:41 To: Heikki Linnakangas Cc: Daniel Westermann; 'pgsql-performance@postgresql.org' Subject: Re: [PERFORM] FW: performance issue with a 2.5gb joinded table Heikki Linnakangas wri

Re: [PERFORM] FW: performance issue with a 2.5gb joinded table

2013-01-03 Thread Daniel Westermann
-Original Message- From: Heikki Linnakangas [mailto:hlinnakan...@vmware.com] Sent: Donnerstag, 3. Januar 2013 18:02 To: Daniel Westermann Cc: 'pgsql-performance@postgresql.org' Subject: Re: [PERFORM] FW: performance issue with a 2.5gb joinded table On 03.01.2013 15:30, Daniel

[PERFORM] FW: performance issue with a 2.5gb joinded table

2013-01-03 Thread Daniel Westermann
Hi Listers, we migrated an oracle datawarehouse to postgresql 9.1 ( ppas 9.1.7.12 ) and are facing massive issues with response times in postgres when compared to the oracle system. Both database run on the same hardware and storage ( rhel5.8 64bit ). Oracle memory parameters are: SGA=1gb PGA=