[PERFORM] Planning for Scalability

2014-10-03 Thread Roberto Grandi
Dear Pg people, I would ask for your help considering this scaling issue. We are planning to move from 3Millions of events/day instance of postgres (8 CPU, 65 gb ram) to 5 millions of items/day. What do you suggest in order to plan this switch? Add separate server? Increase RAM? Use SSD? Any

Re: [PERFORM] Planning for Scalability

2014-10-03 Thread k...@rice.edu
On Fri, Oct 03, 2014 at 10:55:04AM +0200, Roberto Grandi wrote: Dear Pg people, I would ask for your help considering this scaling issue. We are planning to move from 3Millions of events/day instance of postgres (8 CPU, 65 gb ram) to 5 millions of items/day. What do you suggest in order

Re: [PERFORM] Planning for Scalability

2014-10-03 Thread Roberto Grandi
: [PERFORM] Planning for Scalability On Fri, Oct 03, 2014 at 10:55:04AM +0200, Roberto Grandi wrote: Dear Pg people, I would ask for your help considering this scaling issue. We are planning to move from 3Millions of events/day instance of postgres (8 CPU, 65 gb ram) to 5 millions of items/day

Re: [PERFORM] Planning for Scalability

2014-10-03 Thread Graeme B. Bell
Hi Roberto, Hardware etc. is a solution; but you have not yet characterised the problem. You should investigate if the events are mostly... - reads - writes - computationally intensive - memory intensive - I/O intensive - network I/O intensive - independent? (e.g. does it matter if you

Re: [PERFORM] Planning for Scalability

2014-10-03 Thread Claudio Freire
On Fri, Oct 3, 2014 at 5:55 AM, Roberto Grandi roberto.gra...@trovaprezzi.it wrote: Dear Pg people, I would ask for your help considering this scaling issue. We are planning to move from 3Millions of events/day instance of postgres (8 CPU, 65 gb ram) to 5 millions of items/day. The most