On Wed, Apr 1, 2015 at 9:56 AM, Pietro Pugni <pietro.pu...@gmail.com> wrote:
> *Now let’s propose some query profiling times.* > > B type set are transactions, so it's impossible for me to post EXPLAIN > ANALYZE results. I've extracted two querys from a single transactions and > executed the twos on both system. Here are the results: > > *T420* > > Query B_1 [55999.649 ms + 0.639 ms] http://explain.depesz.com/s/LbM > > Query B_2 [95664.832 ms + 0.523 ms] http://explain.depesz.com/s/v06 > > *MacMini* > > Query B_1 [56315.614 ms] http://explain.depesz.com/s/uZTx > > Query B_2 [44890.813 ms] http://explain.depesz.com/s/y7Dk > Looking at the 2 B_2 queries (since they are so drastically different), the in-memory quicksorts stand out on the Dell as being *drastically* slower than the disk-based sorts on your mac-mini....
