Re: Index bloat of 4x

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От Bill Moran
Тема Re: Index bloat of 4x
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Msg-id 20070117125203.899f6660.wmoran@collaborativefusion.com
обсуждение исходный текст
Ответ на Re: Index bloat of 4x  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: Index bloat of 4x  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
In response to Alvaro Herrera <alvherre@commandprompt.com>:

> Bill Moran wrote:
>
> > The entire database was around 28M prior to the upgrades, etc.  Immediately
> > after the upgrades, it was ~270M.  Following a vacuum full, it dropped to
> > 165M.  Following a database-wide reindex, it dropped to 30M.
>
> Oh, so it was clearly the upgrade procedure that caused the bloat ...
> Reindexing seems the expected course.

Right.  Sorry if I didn't explain that properly.

It wasn't the fact that it bloated that surprised me.  It was the
_magnitude_ of bloat that I wasn't expecting, as well as the fact that
it was _all_ _index_ bloat.

--
Bill Moran
Collaborative Fusion Inc.

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