In article <1122884684.107079.181440@g49g2000cwa.googlegroups .com>, "Peter
Nolan" <peter@peternolan.com> writes:
> The advice I got for solaris was to put the memory mapped io files into
> /tmp. However, I have an AIX client trying out the software and they
> tell me they want to keep the size of /tmp to a minimum and that my
> memory mapped io files should be written elsewhere as defined by a
> parameter passed to the tool.
>
> However, the Solaris guys tell me /tmp actually means something to the
> OS to say that all files in /tmp are memory mapped files and high
> access rate files.
>
> So, I was wondering.....does /tmp have any special meaning to AIX?

not that I know of, except that you might be in trouble if it's full :-)
It might play a role that usually /tmp is on a local disk,
as opposed to other filesystems which might be nfs-mounted.
Thus heavy mmap()'ing might cause heavy network traffic in some cases.