Re: [OSRM-talk] hsgr error after many requests

[Steven M. Ottens]

Hi Daniel,

I was using the development branch of osrm-backend and the standard (eg 
npm install osrm) version of node-osrm. Since I couldn't figure out how 
to get the correct version of node-osrm installed on the remote machine 
I redid the entire process with the master branch.


It works now, thanks for the help,

Steven

On 3/19/2016 5:14 AM, Daniel Hofmann wrote:
Hm that sounds strange to me, too. What you're seeing is a failure in 
matching the first couple of bytes (which represents a fingerprint).


When you say

> I find this weird since I have done the entire set before (with a 
less elegant approach, but with the same *.osrm* files)


could it be that you ran osrm-extract / osrm-prepare (in develop 
branch now named osrm-contract) on .pbf files while on osrm-backend 
version N.
And now you updated osrm-backend to version N+x but you're still 
feeding it the old .osrm files? This is so far the only way I can see 
this happening.


Can you try reproducing the issue by running the toolchain on your 
.pbf extract.

That is put away the .osrm files for a moment and generate fresh ones.
Then run osrm-routed / node-osrm.

Cheers,
Daniel J H

On Fri, Mar 18, 2016 at 10:14 PM, Steven M. Ottens > wrote:


Hi all,

I'm busy trying to build a program that, given a road network, a
series of villages and a series of POIs will calculate the time to
the nearest POI for each village. There are 215000 villages and
85000 POIs, so I split the region in smaller squares to speed up
the process, I end up with 500 squares and for each square I get
the villages within the square and the POIs within a buffer around
the square. I run these two through osrm.table to get the time to
the nearest POI.

This works fine and my server slowly chugs along until at some
point (after 15 minutes and a hundred+ squares) I get this error:

TypeError: hsgr input file misses magic number. Check or reprocess
the file

I find this weird since I have done the entire set before (with a
less elegant approach, but with the same *.osrm* files) and why
does this error only show up after a while.

If anyone has any insights I'd be much obliged,

Steven

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[OSRM-talk] hsgr error after many requests

[Steven M. Ottens]

Hi all,

I'm busy trying to build a program that, given a road network, a series 
of villages and a series of POIs will calculate the time to the nearest 
POI for each village. There are 215000 villages and 85000 POIs, so I 
split the region in smaller squares to speed up the process, I end up 
with 500 squares and for each square I get the villages within the 
square and the POIs within a buffer around the square. I run these two 
through osrm.table to get the time to the nearest POI.


This works fine and my server slowly chugs along until at some point 
(after 15 minutes and a hundred+ squares) I get this error:


TypeError: hsgr input file misses magic number. Check or reprocess the file

I find this weird since I have done the entire set before (with a less 
elegant approach, but with the same *.osrm* files) and why does this 
error only show up after a while.


If anyone has any insights I'd be much obliged,

Steven

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Re: [OSRM-talk] hsgr error after many requests

[Daniel Hofmann]

Hm that sounds strange to me, too. What you're seeing is a failure in
matching the first couple of bytes (which represents a fingerprint).

When you say

> I find this weird since I have done the entire set before (with a less
elegant approach, but with the same *.osrm* files)

could it be that you ran osrm-extract / osrm-prepare (in develop branch now
named osrm-contract) on .pbf files while on osrm-backend version N.
And now you updated osrm-backend to version N+x but you're still feeding it
the old .osrm files? This is so far the only way I can see this happening.

Can you try reproducing the issue by running the toolchain on your .pbf
extract.
That is put away the .osrm files for a moment and generate fresh ones.
Then run osrm-routed / node-osrm.

Cheers,
Daniel J H

On Fri, Mar 18, 2016 at 10:14 PM, Steven M. Ottens  wrote:

> Hi all,
>
> I'm busy trying to build a program that, given a road network, a series of
> villages and a series of POIs will calculate the time to the nearest POI
> for each village. There are 215000 villages and 85000 POIs, so I split the
> region in smaller squares to speed up the process, I end up with 500
> squares and for each square I get the villages within the square and the
> POIs within a buffer around the square. I run these two through osrm.table
> to get the time to the nearest POI.
>
> This works fine and my server slowly chugs along until at some point
> (after 15 minutes and a hundred+ squares) I get this error:
>
> TypeError: hsgr input file misses magic number. Check or reprocess the file
>
> I find this weird since I have done the entire set before (with a less
> elegant approach, but with the same *.osrm* files) and why does this error
> only show up after a while.
>
> If anyone has any insights I'd be much obliged,
>
> Steven
>
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> OSRM-talk mailing list
> OSRM-talk@openstreetmap.org
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>
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