Brad Nicholson wrote: > On Thu, 2007-09-13 at 12:19 -0400, Brad Nicholson wrote: > > 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 > > I should add, there are 6 back ends running on this disk array > (different servers and different data partitions) with these bgwriter > settings. Maybe it is running deferred triggers or something? -- Alvaro Herrera http://www.advogato.org/person/alvherre "I suspect most samba developers are already technically insane... Of course, since many of them are Australians, you can't tell." (L. Torvalds) ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
