Am 01.06.2012 23:48, schrieb Nathanael D. Noblet: > On 06/01/2012 03:23 PM, Garrett Holmstrom wrote: >> On Fri, Jun 1, 2012 at 1:44 PM, Gregory Maxwell<gmaxwell@xxxxxxxxx> wrote: >>> On Fri, Jun 1, 2012 at 12:28 PM, Reindl Harald<h.reindl@xxxxxxxxxxxxx> wrote: >>>> * it is a valid workload that a application creates a 10 GB tempfile >>>> * ok, you say: use /var/tmp >>>> * well, i say: my whole rootfs is only 4 GB and 2 Gb are used >>> >>> If your rootfs wasn't big enough for your tmp workload you would have >>> had to have had a separate tmp partition. Either continue to use it— >>> or mount it as swap and set size= to allow you to use it in tmp. >>> >>> It works great. >> >> Part of this feature involves patching applications to write temporary >> files to /var/tmp instead of /tmp. Reindl's point is that this change >> will cause temporary files that were previously written to the /tmp >> filesystem that he had explicitly prepared for this purpose to instead >> be written to /var/tmp and fill up his / filesystem. > > Without getting into the specifics of whether the feature is useful or > not... Part of it could be. If fstab contains a /tmp mountpoint re-write > it to /var/tmp? I doubt that will make people stop talking about this feature > but just a thought how would this help? no magic rewrite can fix a behavior change of the OS for sure it would things much more complicated, unpredictable and make the OS to a sort of gambling machine - which part at which point would rewirte what and what let you come to the conclusion that it is the right way to rewrite any admin-configuration randomly? this whole feature should be reconsidered with all it's impacts on packages and configurations and if it is really a measurable win for anybody i am pretty sure that on most machines the change is completly meaningless, on a high count of machines it has a serious impact and the few machines where /tmp on tmpfs would be a benfit can and do configure it since years we are speaking here about a large hange in OS behavior and must have a REALLY positive impact on most installations which is not the case
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