[one-users] OpenNebula 3.0: Lot of execution expired

[Jonathan Rouzaud-Cornabas]

Hello,

I have setup a cluster of 15 nodes (24 cores / 48Gb of RAM per node).
I use OpenNebula 3.0 Beta with NFS and KVM.

I want to deploy a HADOOP cluster of 100VM with 1Gb/1core per VM.

My issue is that I received a lot of "execution expired" when I use 
onetemplate create and or instantiate but also any other opennebula 
command. For example:
# onevm list
execution expired

I check the CPU load on the frontend and it is ok, RAM usage also.
Of course during deployment, the I/O load is high.

I setup verbose level logs and I do not see any error in the logs 
(/var/log/one/oned.log).

Is there a way to tweak OpenNebula to avoid/reduce this issue ?

Thanks,

Jonathan Rouzaud-Cornabas