Re: Vacuum full considered useful ;) - Mailing list pgsql-performance

Joshua D. Drake a écrit :
>
>>    No wonder, I got IO problems with such a fragmentation.
>>
>>    For people not very familiar with postgres especially those coming
>> from mysql,
>>    i'd recommend paying attention to this.
>
> Definitely. The problem here is that you just aren't vacuuming enough,
> not that you didn't vacuum full. I would suggest reviewing autovacuum
> and seeing if that will help you.
>

And paying attention to the max_fsm_pages setting. A value too low won't
help vacuum's work.

Regards.


--
Guillaume.
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