Alvaro Herrera wrote: > Csaba Nagy wrote: > > > Now when the queue tables get 1000 times dead space compared to their > > normal size, I get performance problems. So tweaking vacuum cost delay > > doesn't buy me anything, as not vacuum per se is the performance > > problem, it's long run time for big tables is. > > So for you it would certainly help a lot to be able to vacuum the first > X pages of the big table, stop, release locks, create new transaction, > continue with the next X pages, lather, rinse, repeat.
But what about index clearing? When do you scan each index? -- Bruce Momjian http://candle.pha.pa.us SRA OSS, Inc. http://www.sraoss.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
