[arch-general] What dirs are good to put in a tmpfs?

Daniel Micay danielmicay at gmail.com
Thu Jul 25 10:58:55 EDT 2013

On Thu, Jul 25, 2013 at 4:35 AM, Gaetan Bisson <bisson at archlinux.org> wrote:
> [2013-07-24 21:27:11 -0600] Chris Moline:
>> I installed anything-sync-daemon but I have no idea what to sync.
> General question: isn't the effect of that software exactly the same
> thing as increasing the vm.dirty_expire_centiseconds kernel parameter?
> Except maybe in the case of a given application calling sync() all the
> time, but then it usually has a good reason to do so (such as the
> written data being too important to be in cache during a power cut).
> --
> Gaetan

Yeah, it shouldn't increase performance except where it's causing possible data
loss by ignoring `fsync`/`fdatasync`. There's no need to "guess and
benchmark" because the kernel is already managing this for you.

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