From: Tom Lane <tgl@sss.pgh.pa.us>
To: Ameet Kini <akini@cs.wisc.edu>
Cc: pgsql-performance@postgresql.org
Subject: Re: postgresql performance tuning
Date: Tue, 06 Dec 2005 13:03:46 -0500
Message-ID: <8026.1133892226@sss.pgh.pa.us> (raw)
In-Reply-To: <Pine.LNX.4.58.0512061142250.21937@karadi.cs.wisc.edu>
References: <Pine.LNX.4.58.0512061142250.21937@karadi.cs.wisc.edu>
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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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, akini@cs.wisc.edu
Subject: Re: postgresql performance tuning
In-Reply-To: <8026.1133892226@sss.pgh.pa.us>
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