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Test Env:

Server: Dual XeonE5-2670 v2 2.5GHz; 64GB DDR3; 512GB SSD
System clock precision is +/- 1 ms
1Gbps NIC
JAVA_OPTS="${JAVA_OPTS:--Xms8G -Xmx8G}"
org.onosproject.net.topology.impl.DefaultTopologyProvider
name=maxBatchMs, type=integer, value=0, defaultValue=50, description=Maximum number of millis for whole batch
name=maxEvents, type=integer, value=1, defaultValue=1000, description=Maximum number of events to accumulate
name=maxIdleMs, type=integer, value=0, defaultValue=10, description=Maximum number of millis between events

Test Procedure:

branch	build	date
onos-1.5	445	2016-03-27 13:21:00.0

scale	tcp_to_feature_reply_avg	feature_reply_to_role_request_avg	role_request_to_role_reply_avg	role_reply_to_device_avg	up_device_to_graph_avg
1	36.05	3.95	1.89	0.69	0.6
3	36.5	3.9	5.27	0.0	14.48
5	35.56	4.2	5.42	0.2	17.88
7	36.25	3.85	5.64	0.13	2.04

scale	fin_ack_to_ack_avg	ack_to_device_avg	down_device_to_graph_avg
1	0.24	1.0	1.44
3	0.27	1.1	3.04
5	0.26	2.17	6.4
7	0.24	0.42	6.92

branch	build	date
onos-1.5	463	2016-03-20 09:23:51.0

scale	up_ofp_to_dev_avg	up_dev_to_link_avg	up_link_to_graph_avg
1	1.75	1.11	1.76
3	1.4	12.15	0.52
3	1.45	12.0	0.6
5	1.3	11.75	0.76
7	1.35	1.0	43.64
7	1.3	12.15	0.6

scale	down_ofp_to_dev_avg	down_dev_to_link_avg	down_link_to_graph_avg
1	1.65	0.16	3.12
3	1.3	0.08	0.48
3	1.4	0.12	0.52
5	1.5	0.08	0.6
7	1.25	0.08	5.92
7	1.5	0.04	0.4