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

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