On Sat, May 14, 2011 at 3:13 AM, Josh Berkus wrote:
> This is what the combination of random_page_cost and
> effective_cache_size ought to supply, but I don't think it does, quite.
I think random_page_cost causes problems because I need to combine
disk random access time, which I can measure, wi
On Fri, May 13, 2011 at 09:09:41PM +, John Rouillard wrote:
> Hi all:
>
> I am adding pgiosim to our testing for new database hardware and I am
> seeing something I don't quite get and I think it's because I am using
> pgiosim incorrectly.
>
> Specs:
>
> OS: centos 5.5 kernel: 2.6.18-194.3
Hi,
I am conducting a benchmark to compare KVP table vs. hstore and got
bad hstore performance results when the no. of records is greater than
about 500'000.
CREATE TABLE kvp ( id SERIAL PRIMARY KEY, key text NOT NULL, value text );
-- with index on key
CREATE TABLE myhstore ( id SERIAL PRIMARY K