Re: Group Commit - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Group Commit
Date
Msg-id 27983.1204851461@sss.pgh.pa.us
Whole thread Raw
In response to Re: Group Commit  (Greg Smith <gsmith@gregsmith.com>)
Responses Re: Group Commit
List pgsql-hackers
Greg Smith <gsmith@gregsmith.com> writes:
> I actually have a paper design for something that builds a little model 
> for how likely it is another commit will be coming soon that essentially 
> turns this into something that can be tuned automatically, better than any 
> person can do it.  No idea if I'll actually build that thing, but I hope 
> it's obvious that there's some possibility to improve this area for 
> applications that can't use async commit.  If you're going to dump the 
> feature, I'd suggest at least waiting until later in the 8.4 cycle to see 
> if something better comes along first.

What about the other idea of just having committers wait for the next
walwriter-cycle flush before reporting commit?
        regards, tom lane


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