Install nominatim with either valhalla or overpass indexed database

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I have installed my own instances of valhalla and overpass using docker. The base OSM pbf file is same for both instances but underlying data model is different as they do different indexing using that pbf file. My question is, Can I use same underlying data structure of either valhalla or overpass to install nominatim instead of indexing different structure for nominatim?. It will save my hardware resources like RAM, disk space etc.

overpass nominatim valhalla

asked 09 Nov '23, 07:37

akhil401
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No. Nominatim has its own data structure.

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answered 09 Nov '23, 08:15

Jochen Topf
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accept rate: 31%

Thank you Jochen Topf. Correct me If I am wrong, I know that nominatim uses PostgreSQL database where as valhalla uses tile graph data structure and overpass uses indexed data structure. Is there any tool/mechanism to convert valhalla/overpass data structure to nominatim data structure? OR Is it possible can valhalla/overpass do geocoding and reverse geocoding instead of having nominatim?

(10 Nov '23, 07:04) akhil401

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nominatim ×689
overpass ×483
valhalla ×3

question asked: 09 Nov '23, 07:37

question was seen: 817 times

last updated: 10 Nov '23, 07:04

Install nominatim with either valhalla or overpass indexed database

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