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Re: Query times change by orders of magnitude as DB ages

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Richard Neill" <rn214(at)cam(dot)ac(dot)uk>
Cc: "PostgreSQL Performance" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Query times change by orders of magnitude as DB ages
Date: 2009-11-25 16:26:15
Message-ID: 4B0D0647020000250002CCC7@gw.wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-performance
Richard Neill <rn214(at)cam(dot)ac(dot)uk> wrote:
 
> In terms of just index bloat, does a regular vacuum help?
 
You might want to use the REINDEX command to correct serious index
bloat.  A regular vacuum will make dead space available for re-use,
but won't eliminate bloat directly.  (If run regularly, it will
prevent bloat.)
 
-Kevin

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