[OSM-talk] Quicker Tile Rendering

Martijn van Exel m at rtijn.org
Sun May 8 16:18:13 BST 2011


On Sun, May 8, 2011 at 4:47 PM, Grant Slater <openstreetmap at firefishy.com>wrote:

> Hi OSM,
>
> The OSM tile server has been upgraded over the last few days. Changes
> should now appear much quicker on the map.
>
> Many thanks to Jon Burgess, the Mapnik.org guys and the others for
> making this happen.
>

Great work! Thanks! I'm sure greater 'instant satisfaction'  will be
motivating to many. It is to me.

>
> Technical:
> The rendering database was switched to an Intel 320 Series 600GB SSD
> disk, from 4x 300GB 10K rpm in RAID10. PG8.3 -> PostgreSQL 9 with GIN
> Index FASTUPDATE disabled. Rendering has also switched to Mapnik2 svn
> r2875.
> The full DB reload into PG9 used approximately 1TB of the SSD write
> capacity of a rating of 60TB. Now that only diffs are being applied
>

Does that mean that those drives are only certified / guaranteed for 60TB
worth of write operations?
-- 
Martijn van Exel
http://about.me/mvexel
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