Re: HAMMER cleanup

[Bill Hacker <wbh@xxxxxxxxxxxxx>]

Edward O'Callaghan wrote:
> Hi,
>
> What if your box is running in a production env where it is doing IO
> 24/7 365days a year. Is stopping at any time to do a load of IO really
> that acceptable ?
>
> Regards,
> Edward.

Rare indeed is the production box that doesn't have fairly consistent 
peak and valley patterns in that 24 hours - and the week.

Not hard to adjust to those.  And/or 'renice' things to suit.

Bill

> 2008/10/22 Robert Luciani <rluciani@gmail.com>:
> > >     Laptops might need a 'cleanup' button. I just don't know when the best
> > >     time to run hammer cleanup would be, or for how long.  Desktops might
> > >     make do with an hourly poke.
> > >
> > >                                               -Matt
> > As a sidenote:
> > If we have some sort of automation in the laptop cleanup system, it would be
> > nice for it to be aware of whether the laptop is running on battery or not. Sort
> > of like how "desktop search" programs pause indexing when running on battery power.
> >
> > --
> > Robert Luciani
> > Chalmers University of Technology, SWE
> > Department of Computer Science and Engineering
> > http://www.rluciani.com/rluciani@gmail.com.asc