On Thu, 2009-10-01 at 11:32 -0500, Kevin Grittner wrote:
> If there's a huge chunk of
> space near the end, and many many smaller spaces spread throughout,
> what I'd like is for rows to be placed in those small ones.  This
> would minimize the number of pages to read for queries, and would
> present some possibility that the rows past the huge chunk might
> eventually be deleted or non-HOT updated, allowing the bloat to
> eventually be cleaned up with minimal pain.

Yes, as Tom points out, this must be done with bias away from the very
end of the table.

I meant that we should start from the beginning of large spaces and that
we shouldn't assume that all space worth filling is at start of
relation.

-- 
 Simon Riggs           www.2ndQuadrant.com


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to