Neo4j图形导入速度很慢

Question

我正在使用neo4j加载图表。它是一个1100万行的csv文件 这需要很长时间才能装载 2小时过去了，图表还没有完成加载 这是正常的吗？ 我的笔记本电脑是i7 2.4Ghs和8g RAM

样本数据：

 protein1   protein2    combined_score
    9615.ENSCAFP00000000001 9615.ENSCAFP00000014827 151
    9615.ENSCAFP00000000001 9615.ENSCAFP00000026847 802
    9615.ENSCAFP00000000001 9615.ENSCAFP00000015235 900
    9615.ENSCAFP00000000001 9615.ENSCAFP00000007210 261
    9615.ENSCAFP00000000001 9615.ENSCAFP00000025394 248
    9615.ENSCAFP00000000001 9615.ENSCAFP00000038575 900
    9615.ENSCAFP00000000001 9615.ENSCAFP00000011457 177
    9615.ENSCAFP00000000001 9615.ENSCAFP00000002193 503
    9615.ENSCAFP00000000001 9615.ENSCAFP00000042321 900
    9615.ENSCAFP00000000001 9615.ENSCAFP00000011541 207
    9615.ENSCAFP00000000001 9615.ENSCAFP00000038517 183
    9615.ENSCAFP00000000001 9615.ENSCAFP00000003009 151

查询

    CREATE CONSTRAINT ON (n:Node) ASSERT n.NodeID IS UNIQUE;
    USING PERIODIC COMMIT
    LOAD CSV WITH HEADERS FROM 'file:///linksdog.csv'
    AS line

    MERGE (n1:Node {NodeID: line.protein1})
    MERGE (n2:Node {NodeID: line.protein2})

MERGE (n1)-[:ACTING_WITH {Score: TOFLOAT(line.combined_score)}]->(n2);