[mapserver-users] logging GDAL queries

Lucena, Ivan ivan.lucena at pmldnet.com
Fri Aug 13 07:32:16 EDT 2010


Interesting.
Can you post your gdalinfo report with "-mdd oracle" option?
What are the versions your are running (GDAL,Oracle)?
Older version of the driver used to run a new query every time you change levels.
Sebastian E. Ovide wrote:
> yep I did... and the weir thing is that generating the images from "far 
> away" zoom under 12... it performs very well... not sure why it doesn't 
> in the levels 13-17....  for that reason I was trying to find the SQL 
> queries....
> 
> On Fri, Aug 13, 2010 at 12:01 PM, Lucena, Ivan <ivan.lucena at pmldnet.com 
> <mailto:ivan.lucena at pmldnet.com>> wrote:
> 
>     Sebastian,
> 
> 
>     Sebastian E. Ovide wrote:
> 
>         Hi All
> 
>         I am using MapServer + GDAL to render GeoRasters and I am having
>         very poor performance reading GeoRasters at a high zoom level...
>         over 13... it would take even 20 seconds per tile...
> 
> 
>     Did you generate pyramids?
> 
> 
>         Is it possible to log the GDAL queries that MapServer is doing?
>          (and the SQL queries that GDAL is doing ?)
> 
>         thanks
> 
>         -- 
>         Sebastian E. Ovide
> 
> 
> 
> 
>         ------------------------------------------------------------------------
> 
> 
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> 
> 
> 
> 
> 
> -- 
> Sebastian E. Ovide
> 
> 
> 
> 



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