Messages in this thread | | | Date | Sat, 01 Oct 2005 20:18:51 -0700 | From | Marc Perkel <> | Subject | Re: Making nice niser for system hogging programs |
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Con Kolivas wrote:
>On Sun, 2 Oct 2005 12:26, Marc Perkel wrote: > > >>Just a thought ----- >> >>Programs like cp -a /bigdir /backup and rsync usually bring the server >>to a crawl no matter how much "nice" you put on them. Is there any way >>to make "nice" smarter in that it limits io as well as processor usage? >>If cp and rsyne ran a little slower IO wise then everything else could >>run too. >> >> > >The latest cfq io scheduler supports io nice levels. By default it links the >io nice levels to the cpu nice levels so if you use cfq and set your file >commands nice 19 they will use as little io priority as possible. Note this >only works on the read side but that makes a dramatic difference already. > >Cheers >Con > >
Kewl - so - what version is it in?
-- Marc Perkel - marc@perkel.com
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