Jeffrey J. Kosowsky wrote:
>  
> Well (re)nice=20, would completely stop BackupPC_dump per my man pages at
> least:
>       20 (the affected processes will run only when nothing else in the
>       system wants to) 

I'm not sure about the scheduler internals, but I'd read the 'nothing 
else wants to run' as relating only to processes that aren't blocked 
waiting for i/o completion.  Since the nighly job spends most of its 
time in i/o, it "doesn't want to run" and the dumps will still be given 
CPU timeslices - which they will use to issue i/o requests.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com


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