[talk-ch] Overpass server delay query

Yves yvecai at mailbox.org
Mon Feb 10 19:43:02 CET 2020


I'd say that if you have space for a planet file on a Ssd disk, osmupdate and osmfilter can do the job daily in about an hour.
https://gitlab.com/osm-c-tools/osmctools
Yves


Le 10 février 2020 18:56:17 GMT+01:00, European Water Project <europeanwaterproject at gmail.com> a écrit :
>Hi Marc (or anyone else),
>
>As suggested by Michael a while back, I am scanning the globe once a
>week
>for water fountains (modern and historic) in a nested loop of bboxes.
>After
>getting all the individual scans, I append them into one large geojson
>file
>..  I scan for fountains with a bbox size of 10x10.
>
>I seem to get a faster response using overpass turbo at
>overpass-turbo.eu
>using the web interface than with the API. Is this normal ?  The total
>size
>of the all the responses combined in one file is relatively small :
>about
>50MB (after appending them all in one json file).
>
>It takes me on average about 3 hours to get all the data I need for my
>database.  Do you have any suggestions for how I might improve the
>process?  Or maybe, what I am doing seems ok ?
>
>Thank you for your advice,
>
>Stuart
>
>
>
>[out:json][timeout:150];
>
>(
>  node["amenity"="drinking_water"]({{bbox}});
>  node["drinking_water"="yes"]({{bbox}});
>);
>// print results
>out body;
>>;
>out skel qt;
>
>
>On Mon, 10 Feb 2020 at 14:47, marc marc <marc_marc_irc at hotmail.com>
>wrote:
>
>> Hello Stuart,
>>
>> Le 10.02.20 à 14:40, European Water Project a écrit :
>> > Do both server clusters serve the same data via the API and are
>they
>> > updated simultaneously?
>>
>> all overpass-api servers try to keep in sync from osm.org data via
>> minute "diff" update. but from time to time, that fail or take a
>little
>> more time.
>> every group of server have often their own sysadmin, it's not a group
>> that takes care of all the overpass-api  servers.
>> modern overpass api version return the info with a line like this :
>> <meta osm_base="2020-02-10T13:42:02Z"/>
>>
>> Regards,
>> Marc
>> _______________________________________________
>> talk-ch mailing list
>> talk-ch at openstreetmap.ch
>> http://lists.openstreetmap.ch/mailman/listinfo/talk-ch
>>
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