>>
>> with the patch:
>> vacuumdb -a real 6m41.306s
>> idle steady state: 7.86% user, 5.00% system 0.09% iowait 87% idle,
>
> Nice. Another interesting numbers would be device utilization, average
> I/O speed and required space (which should be ~2x the pgstat.stat size
> without the patch).
>
this point is important - with large warehouse with lot of databases
and tables you have move stat file to some ramdisc - without it you
lost lot of IO capacity - and it is very important if you need only
half sized ramdisc
Regards
Pavel
