Re: [PERFORM] PostgreSQL in virtual machine

2007-03-13 Thread Cosimo Streppone
Andreas Tille wrote: Are there any experiences about reasonable performance increasing strategies? Are there any special things to regard in a VM? Not directly about Postgresql, but I'm seeing evidence that upgrading from vmware 2.5.3 to 3.0.1 seems to have solved disk access performance issue

Re: [PERFORM] PostgreSQL in virtual machine

2007-03-12 Thread Harald Armin Massa
Andreas, I am responsible for some active PostgreSQL databases within virtual machines and on "plain metal"; all using Windows. There are spurious strange performance issues on those PostreSQL databases within the virtual machines. I can not pin them down (yet), and am not really able to blame t

[PERFORM] PostgreSQL in virtual machine

2007-03-12 Thread Andreas Tille
Hi, I'm running a Zope web application that obtains most of its data from a PostgreSQL 8.1 database in a virtual machine. I'm able to adjust the memory of this machine according to reasonable values and can choose between one or two (emulated) processors. The question is: How can I find an opti