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SubjectRe: [ANNOUNCE] ktimers subsystem

* Thomas Gleixner <> wrote:

> > > This revealed a reasonable explanation for this behaviour. Both
> > > networking and disk I/O arm a lot of timeout timers (the maximum number
> > > of armed timers during the tests observed was ~400000).
> >
> > This triggers the obvious question: where are these timers coming from?
> > You don't think that having that much timers in first place is little
> > insane (especially if these are kernel timers)?
> Quick answer: Networking and disk I/O. Insane load on a 4 way SMP
> machine. Check yourself. :)

a busy network server can easily have millions of timers pending. I once
had to increase a server's 16 million tw timer sysctl limit ...

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