[OSM-talk] osmarender tile server broken?

SteveC steve at asklater.com
Sat Feb 24 16:17:59 GMT 2007



OJW wrote:
> On Saturday 24 February 2007 16:00, matthew-osm at newtoncomputing.co.uk wrote:
>> Hi - have just come up with a new plan on IRC (well, last night actually),
>> which is to store files in a direct access archive and pull them out with a
>> C program to serve them.
> 
> I thought the plan was to move _away_ from a database?
> 
> Putting a load of tiles in one file and having an application to access them 
> (with file-locking to make sure you can't read one tile while you write 
> another one) doesn't sound so different to MySQL, except for the non-standard 
> interface and choice of partitioning strategy.
> 
> I'm worried here about things like 
> * apache not being able to serve tiles directly

it won't be able to in any case as you have to have some way of 
splitting the files across lots of directories that wont look like the 
google z/x/y.png scheme

> * upload script can't use the "move" command to insert a tile
> * viewer script can't use the "file_exists" command to check for a tile
> * huge amount of extra complexity
> 
> 
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-- 
have fun,

SteveC steve at asklater.com http://www.asklater.com/steve/




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