Tom Lane wrote: > Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes: >> This is what I get on a fast AMD Dual Opteron box(Running Debian >> Sarge/AMD64): > >> 8.1.4 HEAD >> 1000000 SELECT 1; 74,74,73 77,76,77 >> stats_command_string=1; 105,99,106 78,79,78 >> log_min_duration_statement=100 79,80,81 75,80,76 >> statement_timeout=100 78,79,78 75,79,77 >> all 3 104,108,107 82,81,81 > >> all values in seconds with 3 consecutive runs of one million "SELECT 1;" >> queries. It takes about 48 seconds to run the same test without >> stat-collection btw. > > I'm confused. Isn't your first table row for the case of no stat collection? > Or do you mean that you have stats_row_level and/or stats_block_level on > in all four cases?
yes - stats_row_level and stats_block_level on in all cases (sorry for the confusion) - I can easily redo the tests without those - but that's what I had in the running conf and I only remember that after I was nearly done with all the testing :-) Stefan ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq