Re: [PERFORM] ORDER BY Optimization

2005-05-09 Thread Derek Buttineau|Compu-SOLVE
Thanks for the response :) You could probably get your larger server to try the no-sort plan if you said "set enable_sort = 0" first. It would be interesting to compare the EXPLAIN ANALYZE results for that case with the other server. Odd, I went to investigate this switch on the larger server,

Re: [PERFORM] [SQL] ORDER BY Optimization

2005-05-06 Thread Derek Buttineau|Compu-SOLVE
Thanks for the response :) That's 50-ish ms versus 80-odd seconds. It seems to me a merge join might be more appropriate here than a nestloop. What's your work_mem set at? Off-the-cuff numbers show the dataset weighing in the sub-ten mbyte range. Provided it's not already at least that big, and yo