Re: postgresql performance tuning - Mailing list pgsql-performance

From Tom Lane
Subject Re: postgresql performance tuning
Date
Msg-id 8026.1133892226@sss.pgh.pa.us
Whole thread Raw
In response to postgresql performance tuning  (Ameet Kini <akini@cs.wisc.edu>)
List pgsql-performance
Ameet Kini <akini@cs.wisc.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

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