>> I need to create installation for dumb users to ship DBMS with my
>> application.
>> So manual initial tuning is not possible.
>>
>
> Some tuning is... for instance during installation you should run vacuum
> analyze after loading your data in.
My application runs ANALYZE command programmatically after data loading.
So end user does not need to run it.
Autovacuum is turned ON by default.
Why I should to run VACUUM ANALYZE in this case ?
ANALYZE must be sufficient.
Andrus.