--- On Mon, 3/8/09, Jon Burgess <[email protected]> wrote:
> - The data source needing page lots of data into RAM
> needing lots of
> disk IO (e.g. large postgres DB or shapefiles)
There is 2G of system ram, although that is shared between various things
running obviously.
> - With the postgis data source: setting estimated_extent to
> false and
> not providing a fixed extent for the layer. This causes
> Mapnik to issue
> an extent() query to the DB which normally results in it
> parsing all the
> data to determine the extent.
Ok, how do I set an extent or find out if it is set or ... ?
> The other issue would be a general slowness if you are
> trying to process
> too much data in your style but this would effect most
> tiles rendered,
> not just he first few.
It seems like a start up thing, but is triggered by the first request.
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