Pallav Kalva <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> Another likely problem is that you
>> need to increase the FSM settings (how big is your whole database?)
>  Yes, you are right this table is heavily updated, the whole database 
> size is of 1.5 gigs, right now i have default fsm settings how much 
> should i increase max_fsm_pages  and max_fsm_relations to ?

A lot --- factor of 10 at least.  Try "vacuum verbose" and look at the
last couple lines of output.

>> VACUUM FULL will fix the immediate problem.  You might well find CLUSTER
>> to be a faster alternative, though.

> How does CLUSTER benefit me ?

It'll probably take less time to rebuild the table.  VACUUM FULL is
really optimized for the case of moving a relatively small fraction
of the table around, but it sounds like you need a complete rebuild.

                        regards, tom lane

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