On 06/01/2012 12:27 PM, DJ Delorie wrote: >> The feature may be adopted/promoted on the basis of SSD writecycle >> preservation, > I'm about to put in an SSD boot disk, so I care about this argument, > but I'm still not using tmpfs, for my reasons stated previously. > >> but tmpfs also offers considerable performance improvements for >> workloads that create/remove files in /tmp at high speed— > This conclusion is NOT TRUE for me. I've checked it. /tmp on ext3 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 > transient. > > And if they're neither small nor transient, RAM is the wrong place for > them anyway. > > Perhaps a better solution is to look at TRIM support for the I/O > buffers, and see if they're writing to the disk after the file has > been deleted? If they're doing the sane thing, there should be no > disk I/O at all anyway, unless you really needed disk storage in the > first place. You may be interested in this bug: https://bugzilla.redhat.com/show_bug.cgi?id=826258 -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel