Thread: RE: Possible performance improvement: buffer replacemen t policy

RE: Possible performance improvement: buffer replacemen t policy

From
"Mikheev, Vadim"
Date:
> > It looks like it wouldn't take too much work to replace 
> > shared buffers on the basis of LRU-2 instead of LRU, so
> > I'm thinking about trying it.
> > 
> > Has anyone looked into this area?  Is there a better method to try?
> 
> Sounds like a perfect idea.  Good luck.  :-)

Hmm, how much time will be required?
I integrate WAL right now and have to do significant changes
in bufmgr...

Vadim




Re: Possible performance improvement: buffer replacemen t policy

From
Tom Lane
Date:
"Mikheev, Vadim" <vmikheev@SECTORBASE.COM> writes:
>> Sounds like a perfect idea.  Good luck.  :-)

> Hmm, how much time will be required?
> I integrate WAL right now and have to do significant changes
> in bufmgr...

Don't worry about it, I am not planning to commit that code anytime
soon.  (I have other stuff I want to fix in bufmgr, but I can wait
for you to finish WAL first.)
        regards, tom lane