Re: Buffer management - interesting idea

[Helge Hafting]

Ivan Schreter wrote:
> 
> Hello,
> 
> I'm working on some hi-speed DB projects under Linux and I was researching
> various buffer-replacement algorithms. I found 2Q buffer replacement policy at
> 
>         http://citeseer.nj.nec.com/63909.html
> 
> Maybe it would be interesting to use it instead of LRU for disk buffer
> replacement. Seems relatively easy to implement and costs are about the same as
> for LRU.

The "resistance to scanning" seemed interesting, maybe one-time
activities like a "find" run or big cat/dd will have less impact with
this.

Helge Hafting