Are these queries only reading or reading and writing? can you produce a thread dump of you neo4j server when that happens ?
either send a kill -3 <pid> or use jstack <pid> and send us the thread-dump and the content of your logfiles (data/log/* and data/graph.db/messages.log) Am 22.12.2013 um 14:06 schrieb Lokesh Gidra <[email protected]>: > Hello, > > I am running a neo4j-2.0.0 server on a linux machine with 48-cores. I run a > python script on another machine. The script uses multiple threads to perform > multiple shortestPath queries to the server. I am using py2neo package in the > python script. In the beginning the queries are processed fine. I can see > multiple cpus being used by neo4j server in the "top" output. But suddenly, > the server gets into a serial phase where only 1 cpu is used 100%. During > this time, the python also doesn't make any progress. > > I am certain that the script is not faulty as sometimes this serial phase > begins AFTER processing all the queries sent by the script, but BEFORE the > script exits. > > Can anyone please suggest me what causes this behaviour. And what can be done > to avoid it. > > > Regards, > Lokesh > > -- > 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 [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
