On Wed, Jan 5, 2022 at 07:27:55PM +0100, Mathias Kunter wrote:
> Am 28.12.21 um 17:03 schrieb Tom Lane:
> > Mathias Kunter writes:
> > > Consider the situation
> > > where the randomly fetched pages are mostly (or even entirely) cached in
> > > RAM, but where the sequentially fetched pages must b
Am 28.12.21 um 17:03 schrieb Tom Lane:
Mathias Kunter writes:
Consider the situation
where the randomly fetched pages are mostly (or even entirely) cached in
RAM, but where the sequentially fetched pages must be mostly read from
disk. An example for such a scenario is a database system which us
Mathias Kunter writes:
> the documentation of the random_page_cost configuration parameter says:
>> Although the system will let you set random_page_cost to less than
>> seq_page_cost, it is not physically sensible to do so.
> However, I don't think this statement is true. Consider the situation