Jan Wieck <JanWieck(at)yahoo(dot)com> writes:
> Doesn't cranking up the bgwriter_percent to 100 effectively make the entire
> shared memory a write-through cache? In other words, with 100% the bgwriter
> will allways write all dirty blocks out and it becomes unlikely to avoid an IO
> for subsequent modificaitons to the same data block.
If the goal is to not write out hot pages why look in T1 at all? Why not just
flush 100% of the dirty pages from T2 and ignore T1 entirely?
--
greg