Tom Lane wrote: > Michael Fuhr <mike@xxxxxxxx> writes: > > Further tests show that for this application > > the killer is stats_command_string, not stats_block_level or > > stats_row_level. > > I tried it with pgbench -c 10, and got these results: > 41% reduction in TPS rate for stats_command_string Woh, 41%. That's just off the charts! What are we doing internally that would cause that? -- Bruce Momjian | http://candle.pha.pa.us pgman@xxxxxxxxxxxxxxxx | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073