From: Adam Radłowski <adamr@informatyka.gdansk.pl>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-admin@postgresql.org
Subject: Re: max_fsm_relations
Date: Sun, 30 Nov 2008 20:52:25 +0100
Message-ID: <4932EEF9.60603@informatyka.gdansk.pl> (raw)
In-Reply-To: <16624.1228067482@sss.pgh.pa.us>
References: <493225F2.1080307@informatyka.gdansk.pl>
<16624.1228067482@sss.pgh.pa.us>
So, are You suggesting, that at the time of full database vacuuming,
some of tables are not vacuumed, when "max_fsm_relations" is to small ?
Thanks for Your fast answer.
Adam
Tom Lane pisze:
> =?ISO-8859-2?Q?Adam_Rad=B3owski?= <adamr@informatyka.gdansk.pl> writes:
>> PostgreSQL 8.1.3 (windows), 8.1.9 - 8.1.10 (linux).
>> I have databases, what are vacuumed using cron very regularry (vacuumdb
>> -a -f ...) and I know when should do this. Automatic vacuuming is off.
>> There are thousands of tables in one cluster (for ex. 10000). If I do
>> vacuuming manually, I can see the warning:
>> NOTICE: max_fsm_relations(1000) equals the number of relations checked
>> HINT: You have at least 1000 relations. Consider increasing the
>> configuration parameter "max_fsm_relations".
>> But all is working properly.
>
> Only for small values of "properly". You will be seeing table bloat
> over time if you don't make the FSM large enough.
>
> regards, tom lane
>
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To: pgsql-admin@postgresql.org
Cc: adamr@informatyka.gdansk.pl, tgl@sss.pgh.pa.us
Subject: Re: max_fsm_relations
In-Reply-To: <4932EEF9.60603@informatyka.gdansk.pl>
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