Hi,
>>What I am worry about is "93.5% wa" ...
>>
>>Could someone explain me what is the VACUUM process waiting for ?
>>
>
>
> Disk I/O.
>
CPU
wa: Time spent waiting for IO. Prior to Linux 2.5.41, shown as zero.
Just a little more info to help understand what Alan has pointed out.
Your CPU processes are waiting on the HDD ...
HTH
--
Regards,
Rudi
