On Sat, Nov 22, 2008 at 5:54 PM, Scara Maccai <[EMAIL PROTECTED]> wrote:
> Since you always need the timestamp in your selects, have you tried indexing 
> only the timestamp field?
> Your selects would be slower, but since client and sensor don't have that 
> many distinct values compared to the number of rows you are inserting maybe 
> the difference in selects would not be that huge.

Even better might be partitioning on the timestamp.  IF all access is
in a certain timestamp range it's usually a big win, especially
because he can move to a new table every hour / day / week or whatever
and merge the old one into a big "old data" table.

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

Reply via email to