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?
In response to
pgsql-hackers by date
|Next:||From: Thomas Hallgren||Date: 2004-12-17 19:12:30|
|Subject: Permissions within a function|
|Previous:||From: Tom Lane||Date: 2004-12-17 17:49:59|
|Subject: Re: Call for port reports |