+1 for OSM import into Neo4j Spatial (in fact +1 for any import source that uses some kind of temporary foreign key, eg. relational table dumps, xml structures, etc. - lucene is useful for indexing the external foreign key during import, and then dropping it entirely afterwards)
On Mon, Jun 21, 2010 at 12:59 PM, Niels Hoogeveen <pd_aficion...@hotmail.com > wrote: > > +1 > When loading initial data I need some temporary indexes as well, which I > would like to see completely removed afterwards. > > > Date: Mon, 21 Jun 2010 11:14:52 +0200 > > From: matt...@neotechnology.com > > To: user@lists.neo4j.org > > Subject: Re: [Neo4j] deleting index > > > > 2010/6/20 Alexander Viefhues <alex.nightfe...@gmx.de>: > > > Hello, > > > > > > for my graphalgorithm I create a new index, this > > > index is only used in one iteration of the algorithm. > > > After that I delete the index from all nodes. > > > But after deleting the index there still is an > > > folder with the indexname in the lucene folder, > > > the size of each folder is always ca. 60kb. > > > In my case I create over 4000 indices for each > > > algorithm run, so after a few runs the system > > > became slower and slower. > > > > > > Why these folders are not deleted if the index is > > > empty? > > > > Hi Alexander, > > > > this is the first use case like this (that I've seen anyway)... where > > many indices are created and has a very short lifespan. I assume > > you're using the LuceneIndexService#removeIndex(String key) right? I > > see that it just clears the index, it doesn't delete the index on > > disk. And I see that it will still take up some memory in the JVM as > > well. I'll see what I can do about it! > > > > > > > > Thank you > > > > > > Alex > > > > > > _______________________________________________ > > > Neo4j mailing list > > > User@lists.neo4j.org > > > https://lists.neo4j.org/mailman/listinfo/user > > > > > > > > > > > -- > > Mattias Persson, [matt...@neotechnology.com] > > Hacker, Neo Technology > > www.neotechnology.com > > _______________________________________________ > > Neo4j mailing list > > User@lists.neo4j.org > > https://lists.neo4j.org/mailman/listinfo/user > > _________________________________________________________________ > Express yourself instantly with MSN Messenger! Download today it's FREE! > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
