Re: One vacuum full is not enough.

From: Gaetano Mendola <gmendola(at)mbigroup(dot)it>
To: Hannu Krosing <hannu(at)tm(dot)ee>
Cc: Gaetano Mendola <mendola(at)bigfoot(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: One vacuum full is not enough.
Date: 2005-03-10 09:13:34
Message-ID: 42300FBE.1010104@mbigroup.it
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Hannu Krosing wrote:
> Ühel kenal päeval (teisipäev, 8. märts 2005, 00:52+0100), kirjutas
> Gaetano Mendola:
>
>>Hi all,
>>running a 7.4.5 it happen to me with another table
>>where a single vacuum full was not freeing enough pages,
>>here the verbose vacuum full, as you can see only at
>>the end: truncated 8504 to 621 pages.
>>
>>I use pg_autovacuum and it's not enough. I'll schedule
>>again a nightly vacuum full.
>
>
> You may have too few fsm pages, so new inserts/updates don't use all the pages freed by vacuums.
>

Is not this the case:

max_fsm_pages | 2000000
max_fsm_relations | 1000

and when I was doing the vacuum full these settings were above the
real needs.

Regards
Gaetano Mendola

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