On Fri, Jun 1, 2012 at 12:27 PM, DJ Delorie <dj(a)redhat.com> wrote:
This conclusion is NOT TRUE for me. I've checked it. /tmp on
my system does NOT incur any disk I/O until long after the process
using it has finished, if at all, as long as the files are small and
Glad to see you've taken the all caps advice.
I'm not sure what you're measuring though, because the metadata
absolutely does get written write away for me. For a more dramatic
example touch a file then hit the power button a few seconds later.
And if they're neither small nor transient, RAM is the wrong
If they really aren't transient then /tmp is the wrong place for them.
But regardless, if ram isn't the IO optimal place for them then they
won't remain in ram.