Greg Smith <greg(at)2ndquadrant(dot)com> writes:
> Andr 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
In response to
pgsql-performance by date
|Next:||From: Kevin Grittner||Date: 2010-10-27 20:11:16|
|Subject: Re: Select count(*), the sequel|
|Previous:||From: Greg Smith||Date: 2010-10-27 19:58:46|
|Subject: Re: CPUs for new databases|