The reason is:
for creating/deleting a relationship both end-nodes are locked
and if you have one thread locking a, then trying b
while another does b, then tries a, none can proceed and one of the
transactions will be killed with a deadlock exception.
Update to 3.0.4
recommended is to retry t
We're using Python 3.4.3, py2neo 2.0.8, Neo4j 3.0.3, on a 12 x 2.6GHz 96GB
RAM box. Our relationship & node insertion rate is about 100+ per second.
>From time to time I saw this kind of error on neo4j.log. Is there anything
we can do such as from neo4j.com to avoid this kind of error?
ERROR Fa
