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Re: Vacuuming

From: APseudoUtopia <apseudoutopia(at)gmail(dot)com>
To: peter(at)vfemail(dot)net
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Vacuuming
Date: 2010-02-13 16:42:37
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
On Fri, Feb 12, 2010 at 7:32 PM,  <peter(at)vfemail(dot)net> wrote:
> There's a script running on my server hosting a PostgreSQL database that does some type of vacuuming routine every Friday at 5:00 p.m.  Specifically, the script executes this command:
>     psql -d database_name -c "vacuum full verbose"
> and e-mails the verbose output to me.  Today's report today contains about 900,000 characters.
> I don't event know where to begin reading that report, interpreting what it's telling me, determining what's important, or ascertaining what's routing and unimportant.
> Can anybody give me any guidance or point me to a document that I should read to understand what the PostgreSQL vacuum does and why this is an important function and how to decipher the verbose output?

You should never run VACUUM FULL on a regular basis. In fact, it's
recommended never to use FULL.

In response to

  • Vacuuming at 2010-02-13 00:32:58 from peter


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