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From Constantine Peresypkin <pconstant...@gmail.com>
Subject Re: Jeff Dean on fast response in an unreliable world
Date Wed, 12 Sep 2012 20:01:33 GMT
If you do a double query you're increasing your chances to success by
factor of 2 only.
Why not triple or quadruple?

On Wed, Sep 12, 2012 at 10:14 PM, Ted Dunning <ted.dunning@gmail.com> wrote:

> Heavens.... we can easily satisfy both needs.
>
> Just have a parameter that can be set to 0 (= universal double query) or
> Integer.MAX_INTEGER to get no backups at all.
>
> On Wed, Sep 12, 2012 at 11:47 AM, Constantine Peresypkin <
> pconstantine@gmail.com> wrote:
>
> > > The PowerDrill paper also mentions a variant of this where each query
> > fragment is sent to two machines, and the results for that fragment are
> > used from whatever machine responds first.
> >
> >
> > To send each query or request twice cluster load will be increased by
> 100%.
> >
>

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