Per this SO, Neo4j: How to bring database back online - Stack Overflow I was deleting 3 million nodes when I got an out of memory. Now I can not restart the DB. The log file shows a Java out of memory error. I think the key line is this: Exception in thread "neo4j.Scheduler-1" java.lang.OutOfMe…

Cannot restart an offline DB with Java out of memory error

koji (Koji Annoura) August 3, 2021, 9:32am 4

Is it possible to change the parameters of neo4j.conf?
4G or 8G or 16G, etc.

dbms.memory.heap.initial_size=512m
dbms.memory.heap.max_size=1G

And Restart Neo4j.

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