On 3 Sep 2002 at 15:14, Christopher Kings-Lynne wrote:
> > Personally I would prefer to have a trigger on a metadata table
> > where I could
> > trigger vacuuming a particular table each n number of
> > transactions(Oh it would
> > be great if that vacuum runs in background not blocking meta data
> > table.. just
> > a wishlist...). Can anybody tell me which table I could write
> > such a trigger? I
> > went thr. pg_* for some time but didn't find what I was looking for..
>
> Actually, if you wrote it in C and kept some static data on each table, you
> could probably write a vacuum trigger pretty easily. You could even keep
> the info in a table.
Actually that's what I did. Update global transaction counter than trigger the
vacuum from a spare thread.
but having it in DB has advantages of centralisation. It's just a good to have
kind of thing..
Bye
Shridhar
--
"I don't know why, but first C programs tend to look a lot worse thanfirst
programs in any other language (maybe except for fortran, but thenI suspect all
fortran programs look like `firsts')"(By Olaf Kirch)
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