Hi,
Regarding Pentaho - please keep in mind that Pentaho needs significant
amount of memory. We had a lot of issues with Pentaho crashing with java
out of memory error. If you are using a 64 bit machine, you may be able to
give it sufficient RAM and keep it happy. If all you have is one 4 GB
ma
Andy Colson wrote:
I recall seeing someplace that you can avoid WAL if you start a
transaction, then truncate the table, then start a COPY.
Is that correct? Still hold true? Would it make a lot of difference?
That is correct, still true, and can make a moderate amount of
difference if the
On 1/25/2010 8:12 PM, Craig Ringer wrote:
On 26/01/2010 12:15 AM, Dino Vliet wrote:
5) Other considerations?
Even better is to use COPY to load large chunks of data. libpq provides
access to the COPY interface if you feel like some C coding. The JDBC
driver (dev version only so far) now prov
On Mon, Jan 25, 2010 at 9:15 AM, Dino Vliet wrote:
>
> Introduction
> Today I've been given the task to proceed with my plan to use postgresql and
> other open source techniques to demonstrate to the management of my
> department the usefullness and the "cost savings" potential that lies ahead.
On 26/01/2010 12:15 AM, Dino Vliet wrote:
5) Other considerations?
To get optimal performance for bulk loading you'll want to do concurrent
data loading over several connections - up to as many as you have disk
spindles. Each connection will individually be slower, but the overall
throughp