On Sun, 15 Jun 2008 01:19:46 +0200 Kris Kennaway <[EMAIL PROTECTED]> wrote:
> RW wrote: > > mdmfs(8) has an example of a malloc-backed md device mounted with > > the async option. Is there any point in doing this with malloc and > > vnode devices? In neither case does a write to the file-system > > require a write to a physical disk. > > Well, for vnode devices it does write to the disk, I meant that a write to the filesystem doesn't require a corresponding write to disk, and the change can stay in memory indefinitely. Presumably, more or less, the same inactive pages get written-out to swap, with or without async. > but that isn't the > point; in both cases you are writing to the filesystem that is > mounted on top of the md, so that will be faster if it is mounted > async. In that case, why doesn't /etc/rc.d/tmp default to mounting its swap-backed /tmp with async? _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
