Re: AIX slow buffer reads

On 10/27/2010 4:10 PM, Tom Lane wrote:
> Greg Smith<greg@2ndquadrant.com>  writes:
>> André Volpato wrote:
>>> I disabled effective_io_concurrency at AIX but it made no changes on bitmap index times.
>> Brad's point is that it probably doesn't do anything at all on AIX, and
>> is already disabled accordingly.
> AFAICT from googling, AIX does have posix_fadvise, though maybe it
> doesn't do anything useful ...
>
>             regards, tom lane

If there is an easy way to check if it does do anything useful?  If so,
I can check it out.

--
Brad Nicholson  416-673-4106
Database Administrator, Afilias Canada Corp.