I think your memory setting is wrong. On my desktop running with 4G heap, it can handle these numbers.
Can you make sure to check neo4j-wrapper.conf and set the HEAP size to 12 or 16G dbms.memory.heap.max_size=16000 By default the JVM only take 1G or so of heap. > Am 01.06.2016 um 02:30 schrieb Joseph Wu <jjd...@hotmail.com>: > > I install Neo4j 3.0 community version on my Desktop with 32GB of memory. > I think it can handle billion of Nodes. > I have a graph have about 22M nodes. > > I ran > Match(w:WeatherEvent)-[r]->(p:ZIP) Return Count(r) > and got 21180753 > > I ran > Match(w:WeatherEvent)-[r]->(p:ZIP) delete r > and got GC overhead limit exceeded -> this is because the transaction state that keeps those 22M deletes outgrows your available memory. > > I ran > Match(w:WeatherEvent)-[r]->(p:ZIP) with r Limit 1000000 delete r > and got GC overhead limit exceeded > > I ran > Match(w:WeatherEvent)-[r]->(p:ZIP) with r Limit 100000 delete r > and got still GC overhead limit exceeded > > I ran > Match(w:WeatherEvent)-[r]->(p:ZIP) with r Limit 10000 delete r > and got still GC overhead limit exceeded > > I see neo4j-ce.exe use about 9GB of memory from Resource Monitor. > > > and I do change neo4j-community.vmoptions to -Xmx16384m and restart > neo4j-ce.exe still just use 9GB of Ram -> did you try to re-run your statement after your change? I don't have windows, so I can't check that configuration change. Michael > > Can Neo4j 3.0 really handle Billion of node? What setting do I have is wrong > so that it cannot even handle 20M nodes graph? > > Thanks > > > > Joseph > > > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neo4j+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to neo4j+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
