Jim Nasby writes:
> On 2/12/16 9:55 AM, Robert Haas wrote:
>> I think it's important to spend time and energy figuring out exactly
>> what the problems with our current algorithm are. We know in general
>> terms that usage counts tend to converge to either 5 or 0 and
>> therefore sometimes evict
On 2/12/16 9:55 AM, Robert Haas wrote:
I think it's important to spend time and energy figuring out exactly
what the problems with our current algorithm are. We know in general
terms that usage counts tend to converge to either 5 or 0 and
therefore sometimes evict buffers both at great cost and
Thank you very much for response.
I am not sure that CART can significantly improve PostgreSQL
performance - I just want to know opinion of community about
CAR/CART and other possible alternative to GCLOCK algorithm.
Looks like it CAR really provides better cache hit ratio and so at some
wor
On Thu, Feb 11, 2016 at 4:02 PM, Konstantin Knizhnik
wrote:
> What do you think about improving cache replacement clock-sweep algorithm in
> PostgreSQL with adaptive version proposed in this article:
>
> http://www-cs.stanford.edu/~sbansal/pubs/fast04.pdf
>
> Are there some well known drawback
