[GraphHopper] Multiple Vehicles

Peter graphhopper at gmx.de
Wed Aug 27 08:54:05 UTC 2014


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 <http://www.graphhopper.com> has great
> performance! /How do you do this?/
>
> Thanks,
>
> Bernie
>
>
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> GraphHopper mailing list
> GraphHopper at openstreetmap.org
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