Messages in this thread | | | Date | Mon, 31 Mar 2003 16:02:12 -0800 | From | Andrew Morton <> | Subject | Re: Delaying writes to disk when there's no need |
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Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de> wrote: > > On Mon, Mar 31, 2003 at 02:45:00PM -0800, Andrew Morton wrote: > > It could have pretty bad failure modes. Short-lived files in /tmp now > > perform writeout, which needs to be waited on when those files are removed. > > /tmp is not a problem, because this can be fixed by using tmpfs > (I use 2GB of it with 1GB of RAM).
I don't. These files get unlinked before they hit disk.
> The disk is idle, so this is not about performance, but power > consumption. Spinning up a disk costs around 1-2 seconds, so you > should come in with at least the amount of data you write in 1-2 > seconds for a spun down disk.
The requirements for portable computers are totally different. You'd turn the whole thing off for them.
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