Rethink shapefile index generator
---------------------------------
Key: GEOT-1498
URL: http://jira.codehaus.org/browse/GEOT-1498
Project: GeoTools
Issue Type: Improvement
Components: data shapefile
Affects Versions: 2.4-RC0
Reporter: Andrea Aime
Assignee: Jesse Eichar
Fix For: 2.5-M1
The current shapefile indexer works fine on small shapefiles, but requires an
unacceptable amount of memory to index big ones.
For example, I wasn't able to index a 400MB tiger roads shapefile (3 million
road segments) on a 2GB machine (where I could
give the JVM up to 1.5GB or memory).
On the other side, MapServer shape indexer works fine, and generates a small
file too (usually ways smaller than the one generated
by gt2). Now, there is a trade off, since the mapserver generated indexes are
not as effective, but a middle ground should be found
in order to allow big shapefile indexing too.
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