diff --git a/perfSanity/clusters/perf_sanity_base_test.spec b/perfSanity/clusters/perf_sanity_base_test.spec
index bb9ceae..35a2431 100644
--- a/perfSanity/clusters/perf_sanity_base_test.spec
+++ b/perfSanity/clusters/perf_sanity_base_test.spec
@@ -1,12 +1,12 @@
 [clusters]
 perfregression =
-    10.17.0.105:8091
-    10.17.0.106:8091
-    10.17.0.107:8091
+    10.111.111.101:8091
+    10.111.111.102:8091
+    10.111.111.103:8091
 
 [clients]
 hosts =
-    10.5.3.40
+    10.142.111.104
 credentials = root:couchbase
 
 [storage]
diff --git a/perfSanity/scripts/perf_regression_runner_alpha.py b/perfSanity/scripts/perf_regression_runner_alpha.py
index cb23458..296df8b 100644
--- a/perfSanity/scripts/perf_regression_runner_alpha.py
+++ b/perfSanity/scripts/perf_regression_runner_alpha.py
@@ -274,7 +274,7 @@ def checkResults( results, testDescriptor, operatingSystem):
 
 
 platformDescriptor = {'windows':{'servers':['172.23.107.100','172.23.107.5','172.23.107.218'],'seriesly':'172.23.107.168','testClient':'172.23.107.168'},
-                      'centos':{'servers':['10.5.3.42','10.5.3.43','10.5.3.44'],'seriesly':'10.5.3.46','testClient':'10.5.3.46'},
+                      'centos':{'servers':['10.111.111.101','10.111.111.102','10.111.111.103'],'seriesly':'10.5.3.46','testClient':'10.5.3.46'},
                       'centos-dev':{'servers':['10.1.5.23','10.1.5.24','10.1.5.25'],'seriesly':'10.1.5.26','testClient':'10.1.5.26'}}
 
 def executeRemoteCommand( cmd ):
diff --git a/perfSanity/tests/kv_observe_4M_repl.test b/perfSanity/tests/kv_observe_4M_repl.test
index 18b75c9..b51c7ec 100644
--- a/perfSanity/tests/kv_observe_4M_repl.test
+++ b/perfSanity/tests/kv_observe_4M_repl.test
@@ -5,21 +5,24 @@ summary = Read-heavy KV test (80/20), 3 nodes, 1 bucket x 4M x 1KB, 40K mutation
 larger_is_better = false
 
 [cluster]
-mem_quota = 2000
+mem_quota = 512
 initial_nodes = 3
 num_buckets = 1
 
 
 [stats]
+cbmonitor_host = 172.23.106.161
+cbmonitor_host = 172.23.106.161
+cbmonitor_host = 172.23.106.161
 add_snapshots = 0
-seriesly_host = 10.5.3.40
+seriesly_host = 10.5.3.46
 
 
 [compaction]
 db_percentage = 100
 
 [load]
-items = 4000000
+items = 400000
 size = 800
 workers = 20
 
@@ -29,7 +32,7 @@ reads = 50
 updates = 50
 deletes = 0
 throughput = 80000
-items = 4000000
+items = 400000
 workers = 10
 async = 1
-time = 600
+time = 120