On Thu, 2007-09-13 at 12:12 -0400, Greg Smith wrote: > On Thu, 13 Sep 2007, Brad Nicholson wrote: > I'd be curious to see how you've got your background writer configured to > see if it matches situations like this I've seen in the past. The > parameters controlling the all scan are the ones you'd might consider > turning down, definately the percentage and possibly the maxpages as well. bgwriter_delay = 50 # 10-10000 milliseconds between rounds bgwriter_lru_percent = 20.0 # 0-100% of LRU buffers scanned/round bgwriter_lru_maxpages = 300 # 0-1000 buffers max written/round bgwriter_all_percent = 20 # 0-100% of all buffers scanned/round bgwriter_all_maxpages = 600 # 0-1000 buffers max written/round -- Brad Nicholson 416-673-4106 Database Administrator, Afilias Canada Corp. ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
