|| ||Joey Hess <joeyh-AT-debian.org> |
|| ||debian-devel-AT-lists.debian.org |
|| ||Re: Moving /tmp to tmpfs makes it useless |
|| ||Sat, 26 May 2012 16:27:01 -0400|
|| ||Article, Thread
Josselin Mouette wrote:
> Oh stop, there is a difference: in a tmpfs the system doesn’t need to
> commit the data on disk, and therefore can write it to disk whenever it
> likes, especially when the disk is not too used. There is no need to
> keep a journal nor to access the disk several times to update metadata.
> Only unused data is written to disk. Which means a *huge* performance
> improvement. Do the measurements yourself, it works with basically
> anything that makes heavy use of /tmp.
I'm looking foward to a report from systems instrumented to track all
accesses to /tmp, that analizes the frequency of accesses and gives
numbers about just how huge this performance improvement is.
Until we have such a report, why are we engaging in premature optimisation?
see shy jo
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