still how can i get the whole words of a document in one shot to be able to
define the nodes which shall be inserted by batch and the nodes which shall
be updated
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How many words are contained in your text document ? Probably not millions or
billions?
Then using the batch-inserter API for that is not sensible.
Otherwise (except if you're really experiencing performance issues) I would
stay with the iteration across the words (of your word-set). You might
Yes, just executing a number of java API calls in a single tx, this is just
what the REST API does.
Batching is here on the protocol level, i.e. you need only one network
operation (and serializer/deserializer call) for the whole set of operations
(and those concerns are all not relevant in
Ahmed,
could you please share some code?
Batch-Inserter should really only be used to insert millions or billions of
nodes.
With the normal API you can insert/update about 10k nodes/rels per transaction
without any issues.
You should be able to insert/update several thousand nodes per second
Transaction tx = graphDb.beginTx();
try {
for (all words in a document){
// search for the word
if (result == null) {
long created = inserter.createNode(properties);
wordsIndex.add(created,
Ahmed,
is this your initial load of the graphdb?
It looks like your mixing batch-insertion and normal transactional API in a
single program.
Please try to use just one in one program.
I'd really suggest just go with the transactional API and insert / update one
or more document(s) per
yes this is my initial load of the db
yes i know i maybe mixing both of them and this is not right but how can i
do the same functionality and using the batch operations can i remove the
transaction and insert/update with batch?
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Also what is the reason of the delay still?
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I don't see why there should be any delay.
if you just try this, it should be able to add several thousand nodes per
second to the graph.
GraphDatabaseService graphdb = new EmbeddedGraphDatabase(words.db);
IndexNode index = graphdb.index().forNodes(words);
for (Document doc : documents) {
how can i batch find a whole document in neo4j instead of looping through the
document words and searching one by one?
am using java
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Ahmed,
are you tying to find a text or name, or a node? I am not sure as to
what you mean. Do you have some example code so we can understand your
problem better?
Cheers,
/peter neubauer
GTalk: neubauer.peter
Skype peter.neubauer
Phone +46 704 106975
LinkedIn
I am trying to insert a document containing list of words , and i wont to
check whether some of this words are already in my graph and in this case i
will update their properties otherwise i will create new nodes with the new
words
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04:14:44 -0700
From: ahmed.elshark...@gmail.com
To: user@lists.neo4j.org
Subject: Re: [Neo4j] Batch find
I am trying to insert a document containing list of words , and i wont to
check whether some of this words are already in my graph and in this case i
will update their properties
That should be without having to do any lookups
From: pd_aficion...@hotmail.com
To: user@lists.neo4j.org
Date: Wed, 3 Aug 2011 13:37:44 +0200
Subject: Re: [Neo4j] Batch find
The batch insert is intended to push data into the database with having to do
any look ups.
You could
[mailto:user-boun...@lists.neo4j.org] On
Behalf Of ahmed.elsharkasy
Sent: Wednesday, August 03, 2011 7:15 AM
To: user@lists.neo4j.org
Subject: Re: [Neo4j] Batch find
I am trying to insert a document containing list of words , and i wont to
check whether some of this words are already in my graph
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