Re: postgresql performance tuning

Ameet Kini <akini(at)cs(dot)wisc(dot)edu> writes:
> I have a question on postgres's performance tuning, in particular, the
> vacuum and reindex commands. Currently I do a vacuum (without full) on all
> of my tables. However, its noted in the docs (e.g.
> http://developer.postgresql.org/docs/postgres/routine-reindex.html)
> and on the lists here that indexes may still bloat after a while and hence
> reindex is necessary. How often do people reindex their tables out
> there?

Never, unless you have actual evidence that your indexes are bloating.
It's only very specific use-patterns that have problems.

regards, tom lane