"Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> wrote
>
> I wonder if we should really implement file-system-cache-warmup strategy
> which we have discussed before. There are two natural good places to do
> this:
>
> (1) sequentail scan
> (2) bitmap index scan
>
For the sake of memory, there is a third place a warm-up cache or pre-read
is beneficial (OS won't help us):
(3) xlog recovery
Regards,
Qingqing