[Tilesathome] Overall Status

Dirk-Lüder Kreie osm-list at deelkar.net
Tue Jun 19 00:53:24 BST 2007


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Jason Reid schrieb:
> Dave Hansen wrote:
>> The tiles are all stored in a mysql database, right?
>>
>> What's the reason for this?  Have we run up against some kind of
>> filesystem limit that makes storing them on the plain filesystem
>> infeasible?  

> No, we've moved from a system of storing and doing all lookups from the 
> database to storing them and accessing them directly from the file 
> system using a series of mod_rewrite rules, the only time that the 
> database is talked to is if the file can not be found for the most part.

And of course there is DB access on update of data, which seems to be
generating the real bottleneck currently.

each upload has to update a *lot* of db entries, as well as causing a
few thousand small files to be sorted all over the filesystem.

- --

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E

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