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Load large CSV with LOAD CSV or python

song
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Hi, I'm Song.

I'm trying to import my data to neo4j.
I executed with "LOAD CSV" clause, imported 70 % of the whole data. So i run two times more the same cypher,
(It was MERGE) but nothing changed.

Actually my data is LARGE, about 2 billion, I found the neo4j-admin too, but it used to unused database. .
(I already put other data in my DB)

So i tested importing python with small data, about 1500 rows, it works but too slow.
It import 500 rows in 5mins. 😒
Can python import data to neo4j in batch ?

If you know of a good way, please help me

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