Andrea Aime ( 
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
 ) *created* an issue

GeoServer ( 
https://osgeo-org.atlassian.net/browse/GEOS?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 ) / Task ( 
https://osgeo-org.atlassian.net/browse/GEOS-10780?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 ) GEOS-10780 ( 
https://osgeo-org.atlassian.net/browse/GEOS-10780?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 ) Allow image mosaic to grab a subset of the feature properties in memory ( 
https://osgeo-org.atlassian.net/browse/GEOS-10780?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 )

Issue Type: Task Assignee: Andrea Aime ( 
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
 ) Created: 09/Dec/22 12:25 PM Priority: Medium Reporter: Andrea Aime ( 
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
 )

Right now the image mosaic grabs full features from the index and loads them in 
memory, even if only a small part of the attributes is actually used (filtering 
happens on the index regardless, but a few attributes, such as CRS or 
imageindex, are used also for image processing).

This is not a problem for classic indexes, focused on the image mosaic needs, 
but can be detrimental when the index also has other usages and the feature 
type is comple (e.g. STAC Items, with tens of properties and large attributes 
like “assets”).

( 
https://osgeo-org.atlassian.net/browse/GEOS-10780#add-comment?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 ) Add Comment ( 
https://osgeo-org.atlassian.net/browse/GEOS-10780#add-comment?atlOrigin=eyJpIjoiNzhkYzYzZmU0ODg3NGQ4ZGI4NWIyYjRhMzRlYzhiY2UiLCJwIjoiaiJ9
 )

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