Dear Marcus. Thank you for your response. I've created H2 database and loading data from there. Performance is much better.
Marcus I'm using currently binary traveling salesman.jar with version 1.0.3-RC1 How to download latest sources and build a project on my side? I see via http http://travelingsales.svn.sourceforge.net/viewvc/travelingsales/trunk/traveling_salesman/, but can't upload using my SVN repobrowser for windows. I would like to debug method TurnRestrictedMultiTargetDijkstraRouter route method on my database. 2010/8/27 Marcus Wolschon <[email protected]> > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Am 27.08.2010 19:50, schrieb Oleg Demchenko: > > > Dear all. > > > > I've imported country OSM file to OSM Binary format and more or > > less successfully finding a route using travelingsalesman class > > and osmbin as dataset. Performance is much faster than with XML > > (OSM file), but there are still some points for improvement. > > OsmBin is outdated and replaced by H2DataSet. > > > Well, each time when program call method like .getNearestNode(), > > I'm getting exception (warning) > > > > /org.openstreetmap.osm.data.osmbin.FixedRecordFile <init> INFO: > > Memory-maping the file failed in > > org.openstreetmap.osm.data.osmbin.IDIndex File - using > > conventional io instead/ > > > > That is okay and means that your file is larger then the Address-Range > you supply on > the Java-Command-Line for Memory-Mapped IO. So the file cannot be > mapped into memory > and is accessed using conventional IO. > That is about 10x slower for such random access then memory mapped IO. > Thus the strong warnings. > > The recommed command-line for Sun Java is: > *java -XX:MaxDirectMemorySize=512M -jar traveling_salesman.jar* > > (Documented in travelingsales.sourceforge.net under > "using Traveling Salesman" > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.9 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkx4DpoACgkQf1hPnk3Z0cSIXACeKDNQ91ZedZ9Uhm87/zVkNiHN > QhwAn2FE/fJnLeaYgsvv+5DnWX/oEEHG > =19wU > -----END PGP SIGNATURE----- > > > _______________________________________________ > Routing mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/routing > > -- All the best Oleg Demchenko
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