[GraphHopper] Multiple Vehicles

[Bernhard Tschirren]

Hi Peter,

Perfect, we're happy to run multiple VMs too - just wanted to know if you
had some special secret magic :)

Yes, I'm doing some crazy queries (Northern UK to Southern France) to
compare running time.

Thanks for the response,

Bernie


On Wed, Aug 27, 2014 at 6:54 PM, Peter <graphhopper at gmx.de> wrote:

>  Hey Bernie,
>
> yes and there is an issue for this to support multiple vehicles for CH as
> well ;)
> https://github.com/graphhopper/graphhopper/issues/111
>
> At GraphHopper Maps we are using multiple GraphHopper instances/jvms and
> 'a bit' redirection magic. This is a bit waste of RAM but currently the
> only possible solution I fear.
>
>
> > queries that take 0.02 seconds now take 8 seconds.
>
> Are you talking about long queries? As none-CH routing should not be that
> slow for short to mid-size routes. Even routes through entire Germany
> should take less than 2 seconds.
>
> Kind Regards,
> Peter.
>
>
> On 27.08.2014 04:39, Bernhard Tschirren wrote:
>
> Hi,
>
>  I notice there is support for multiple vehicles on
> https://graphhopper.com/maps/.
>
>  As far as I understand, multiple vehicles are only supported when CH is
> disabled. But, whenever we disable CH, performance drops massively -
> queries that take 0.02 seconds now take 8 seconds. But,
> www.graphhopper.com has great performance! *How do you do this?*
>
>  Thanks,
>
>  Bernie
>
>
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