I have more than 80k point data. I have created few buffer from 1 to 5 km of them. Now I want to get the covered area by 1 km to 5 km buffered range. For this I have tried to dissolve those individual buffered file. In ArcGIS 10 it took 6 hours and then replied an error. Also in progress bar it was showing 33% completed. I think this 33% progress is some kind of bug as it stay 6 hours. In QGIS it took 8 hours to complete 61% then stopped. Is there any other way or tools to dissolve those large dataset in a reasonable time?
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