On Tue, 2007-02-06 at 12:10 +0900, ITAGAKI Takahiro wrote: > "Simon Riggs" <[EMAIL PROTECTED]> wrote: > > > > Actually, given what we've just learned --- namely that choosing these > > > values at random is a bad idea --- I'd want to see a whole lot of > > > positive evidence before adding such a configuration knob. > > > > 3. assemble performance evidence > > > > Step 3 is always there for performance work, so even if you don't > > mention it, I'll assume everybody wants to see that as soon as possible > > before we progress. > > There was a performance evidence using TOAST in order to partial updates. > It added a flag of force toasting. The toast threshold suggested now is > more flexible than it, but I think it is one of the evidences. > > Vertical Partitioning with TOAST > http://archives.postgresql.org/pgsql-hackers/2005-12/msg00013.php >
Apologies to Junji-san. I'd thought my idea was original, but it seems we think along similar lines. That is the kind of performance gain I see possible. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org