[postgis-devel] [PostGIS] #851: [raster] Numerous ST_Value query cause the memory to grow indefinitely

PostGIS trac at osgeo.org
Wed Apr 20 11:10:09 PDT 2011


#851: [raster] Numerous ST_Value query cause the memory to grow indefinitely
----------------------------+-----------------------------------------------
 Reporter:  pracine         |       Owner:  jorgearevalo 
     Type:  defect          |      Status:  assigned     
 Priority:  blocker         |   Milestone:  PostGIS 2.0.0
Component:  postgis raster  |     Version:  trunk        
 Keywords:                  |  
----------------------------+-----------------------------------------------

Comment(by pracine):

 This is strange as I did the test of simplifying RASTER_getPixelValue to
 return a constant float value and I there was no more memory growth... Did
 you remove everything related to context in this simplified version?

 What if you do:

 CREATE TABLE toto AS
 SELECT x, y FROM generate_series(1, 10) x, generate_series(1, 10) y,
 srtm_35_04_10x10;

 instead?

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/851#comment:24>
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