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Re: [overpass] compressed database info


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  • From: Donal Diamond <donal.diamond@gmail.com>
  • To: overpass@listes.openstreetmap.fr
  • Subject: Re: [overpass] compressed database info
  • Date: Fri, 24 Apr 2015 10:22:27 +0000

Had backend_compression_lz4_map running it for a few days and it was applying updates and exexuting queries without issue.

However apply_osc_to_db.sh failed recently with the following error message:

Reading XML file ... finished reading nodes. terminate called after throwing an instance of 'LZ4_Inflate::Error'
  what():  LZ4_Inflate: -33005

D


On 21 April 2015 at 17:46, Donal Diamond <donal.diamond@gmail.com> wrote:
 Just tried a quick import of 94MB ireland pbf

before:
8.3G    nodes.map
28M     relations.map
1.3G    ways.map
9.5G    total

after:
1.1G    nodes.map
2.3M    relations.map
158M    ways.map
1.2G    total

Haven't tried any queries or further tests yet but those space savings are  amazing!

Thanks!

D








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