[GE users] IO and IOW accounting

Rayson Ho rayrayson at gmail.com
Fri Oct 3 21:09:36 BST 2008


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On 10/3/08, Daniel Templeton <Dan.Templeton at sun.com> wrote:
> I stand corrected according to 2429 as pointed out by Rayson.  According to
> the issue synopsis, the Linux kernel can now be compiled to track simple
> per-process I/O.  Issue 2429 will make SGE able to use the feature.

Actually, newer Linux kernel releases have that feature on by default.

IMO, it good to add this IO accounting code into SGE, as the impact to
PDC is extremely small.

Rayson



>
> Daniel
>
>
> Daniel Templeton wrote:
> > Most OSes don't provide the ability to track I/O on a per-process basis,
> so on most OSes SGE will always report the I/Os as 0.  I believe Irix is one
> of the exceptions.  I know that Linux and Solaris are not.
> >
> > Daniel
> >
> > Sean Davis wrote:
> >
> > > I would like to be able to track IO and IOW via qacct.  As it stands,
> > > all IO and IOW are 0.000.  How can I go about doing so?
> > >
> > > Thanks,
> > > Sean
> > >
> > >
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