Re: max_fsm_relations - Mailing list pgsql-admin

From Adam Radłowski
Subject Re: max_fsm_relations
Date
Msg-id 4932EEF9.60603@informatyka.gdansk.pl
Whole thread Raw
In response to Re: max_fsm_relations  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: max_fsm_relations
List pgsql-admin
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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