* Diego Calleja <[email protected]> wrote:
> > Measurements show that noatime helps 20-30% on regular desktop
> > workloads, easily 50% for kernel builds and much more than that (in
> > excess of 100%) for file-read-intense workloads. We cannot just walk
>
> And as everybody knows in servers is a popular practice to disable it.
> According to an interview to the kernel.org admins....
yeah - but i'd be surprised if more than 1% of all Linux servers out
there had noatime.
> "Beyond that, Peter noted, "very little fancy is going on, and that is
> good because fancy is hard to maintain." He explained that the only
> fancy thing being done is that all filesystems are mounted noatime
> meaning that the system doesn't have to make writes to the filesystem
> for files which are simply being read, "that cut the load average in
> half."
nice quote :-)
> I bet that some people would consider such performance hit a bug...
yeah.
Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
