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[Maposmatic-dev] [task #10148] Switch to osmosis for DB updates
From: |
David Decotigny |
Subject: |
[Maposmatic-dev] [task #10148] Switch to osmosis for DB updates |
Date: |
Wed, 03 Feb 2010 12:59:34 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.7) Gecko/20100106 Ubuntu/9.10 (karmic) Firefox/3.5.7 |
URL:
<http://savannah.nongnu.org/task/?10148>
Summary: Switch to osmosis for DB updates
Project: MapOSMatic
Submitted by: daviddecotigny
Submitted on: Wed 03 Feb 2010 12:59:33 PM GMT
Should Start On: Wed 03 Feb 2010 12:00:00 AM GMT
Should be Finished on: Wed 03 Feb 2010 12:00:00 AM GMT
Category: database
Priority: 6
Status: None
Privacy: Public
Percent Complete: 0%
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Effort: 0.00
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Details:
>From Thomas:
«
Les diff hourly et minute ont été supprimés, mais ils ont été
visiblement remplacés par une nouvelle méthode de synchronisation,
basée sur Osmosis:
http://wiki.openstreetmap.org/wiki/Osmosis/Detailed_Usage#Replication_Tasks
Les données de différences sont apparemment dispo sur:
http://planet.openstreetmap.org/hour-replicate/
http://planet.openstreetmap.org/minute-replicate/
D'après ce que je comprends de
http://lists.openstreetmap.org/pipermail/osmosis-dev/2009-November/000310.html,
ce nouveau système de diff a l'air d'utiliser directement des
transactions PostgreSQL. Je suspecte que ce soit potentiellement plus
efficace que la méthode actuelle. À étudier, peut-être demander sur la
liste si il y a des compétences dans le domaine.
A+
»
Looks like osmosis is promising. And, in the short term, we will HAVE to use
it.
Never looked deep enough into it, but it reveals an interesting
pipeline-based architecture, even though osm2pgsql still seems to be necesary
to update the DB (but maybe I'm missing something).
Anyway, this could be of interest for us, too:
http://lists.openstreetmap.org/pipermail/osmosis-dev/2009-November/000313.html
Especially this script:
https://svn.toolserver.org/svnroot/mazder/diff-import/load-next
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