DZone Database Zone
Counting Nodes With Multiple Labels
We have over 6,000 users in our #neo4j-users slack channel and get all kinds of requests. About a month ago Thomas Shields asked:
Should counting the set of things with 2 labels really take so long? I've got 48M nodes with LabelA and LabelB and the query MATCH (n:LabelA:LabelB) RETURN COUNT(n) is taking 80-90 seconds.Let's see what's going on by creating a small version of his graph. We will create 1M nodes of LabelA, then 1M nodes with both LabelA and LabelB, and then 1M nodes with just Label B:
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