Re: Performance features the 4th - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Performance features the 4th
Date
Msg-id 29601.1068223292@sss.pgh.pa.us
Whole thread Raw
In response to Re: Performance features the 4th  (Jan Wieck <JanWieck@Yahoo.com>)
Responses Re: Performance features the 4th  (Jan Wieck <JanWieck@Yahoo.com>)
Re: Performance features the 4th  (Gaetano Mendola <mendola@bigfoot.com>)
List pgsql-hackers
Jan Wieck <JanWieck@Yahoo.com> writes:
> However, I have not seen much evidence yet that the vacuum delay alone 
> does that much.

Gaetano and a couple of other people did experiments that seemed to show
it was useful.  I think we'd want to change the shape of the knob per
later suggestions (sleep 10 ms every N blocks, instead of N ms every
block) but it did seem that there was useful bang for little buck there.
        regards, tom lane


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: Experimental ARC implementation
Next
From: Bruce Momjian
Date:
Subject: Re: Experimental ARC implementation