Hi Hans, I do not think that the problem are the indexes because I have the same problem with the SHP format. Anyway, thank you gave me the inspiration Regards Matteo -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Slow-FDO-insert-tp5051522p5051566.html Sent from the FDO Users mailing list archive at Nabble.com.