Re: Make tuples_per_page pr. table configureable. - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Make tuples_per_page pr. table configureable.
Date
Msg-id AANLkTimXjt4o0Dub+ZsS_GSj=vBc+DMH-hr05atOvNCj@mail.gmail.com
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In response to Re: Make tuples_per_page pr. table configureable.  (Itagaki Takahiro <itagaki.takahiro@gmail.com>)
List pgsql-hackers
On Tue, Sep 21, 2010 at 10:33 PM, Itagaki Takahiro
<itagaki.takahiro@gmail.com> wrote:
> I didn't read previous discussions, but did we have consensus that "number
> of tuples" is better than other units for the parameter? For example,
> "threshold bytes" or "percentage in a page" also seems to be reasonable for me.

I think either of those is more intuitive than tuples per page, and
especially the first.  But I'm not sure that's really the knob we want
either.  I feel like what people are really trying to tune here is
more like - if a single datum is larger than X bytes, push it out.

But I might be all wet.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company


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