Test Env:
Server: Dual XeonE5-2670 v2 2.5GHz; 64GB DDR3; 512GB SSD
1Gbps NIC
JAVA_OPTS="${JAVA_OPTS:--Xms8G -Xmx8G}"
Note: Current testing has "cfg set org.onosproject.store.flow.impl.NewDistributedFlowRuleStore backupEnabled true".