[Neo4j] Why node's index entry can not be removed from lucene index after the node is deleted from the graph

[Luanne Misquitta]

Though I have not tried it yet, I'd try to use the event handling mechanism to remove all traces of the node from the index for example, on delete.

Regards
Luanne M.
Tech Lead

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-----Original Message-----
From: user-bounces at lists.neo4j.org [mailto:user-bounces at lists.neo4j.org] On Behalf Of Samuel Feng
Sent: Tuesday, December 14, 2010 12:11 PM
To: Neo4j user discussions
Subject: [Neo4j] Why node's index entry can not be removed from lucene index after the node is deleted from the graph

Dears,

Index<Node> persons = graphDb.index().forNodes( "persons" );
Node firstPerson = graphDb.createNode();
Node secondPerson = graphDb.createNode();
persons.add( firstPerson, "name", "Mattias Persson" );

Now I have to delete the firstPerson node from the graph.
i.e firstPerson.delete()

After the transaction committed, the node is deleted from the graph.
However, I then further check the lucene index using "LUKE", still can find
the node's entry in it.

I understand that this node entry will not affect the query result of
neo4j.
But If my graph has many deletions, there will produce a lot
of obsoleted node entry in lucene index.

Do u have any ideas that how I can delete this obsoleted index entries or
neo4j has some other mechanism to do this?
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