Fabrice Franquenk <Fabrice(dot)Franquenk(at)bull(dot)net> writes:
> Now i tried to set the bgwriter_lru_percent to 100% and
> bgwriter_lru_maxpages to 1000 and
> i did not spot any difference with the disk activities, cpu occupation
> or anything else from
Hmm, are you sure your changes took effect? To get the bgwriter's
attention you need to make the change in postgresql.conf and then
SIGHUP or restart the postmaster. I'd have thought you could easily
measure a difference given that much change ...
regards, tom lane