On May 18, 2010, at 10:58 AM, Paul H. Hargrove wrote:
> I agree that /dev/shm introduces extra complications and should not be
> the default. The FAQ text I provided was intended to suggest /dev/shm
> as a session dir (or session root) ONLY for people who had diskless
> nodes and thus no obvious
Jeff Squyres wrote:
[snip]
Ralph and I talked about this on the phone a bit this morning. There's several
complicating factors in using /dev/shm (aren't there always? :-) ).
[snip]
--> This seems to imply that using /dev/shm should not be default behavior.
[snip]
I agree that /dev/sh
I was reminded this morning (by 2 people :-) ) that the sysv shmem stuff was
initiated a long time ago as a workaround for many of these same issues
(including the potential performance issues).
Sam's work is nearly complete; I think that -- at least on Linux -- the mmap
performance issues can
