diff --git a/testing/btest/Baseline/scripts.base.frameworks.sumstats.topk-cluster/manager-1..stdout b/testing/btest/Baseline/scripts.base.frameworks.sumstats.topk-cluster/manager-1..stdout
new file mode 100644
index 0000000000..2d076eeac7
--- /dev/null
+++ b/testing/btest/Baseline/scripts.base.frameworks.sumstats.topk-cluster/manager-1..stdout
@@ -0,0 +1,9 @@
+Top entries for key counter
+Num: 995, count: 100, epsilon: 0
+Num: 1, count: 99, epsilon: 0
+Num: 2, count: 98, epsilon: 0
+Num: 3, count: 97, epsilon: 0
+Num: 4, count: 96, epsilon: 0
+Top entries for key two
+Num: 2, count: 4, epsilon: 0
+Num: 1, count: 3, epsilon: 0
diff --git a/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.bro b/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.bro
new file mode 100644
index 0000000000..0ade38e86c
--- /dev/null
+++ b/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.bro
@@ -0,0 +1,110 @@
+# @TEST-SERIALIZE: comm
+#
+# @TEST-EXEC: btest-bg-run manager-1 BROPATH=$BROPATH:.. CLUSTER_NODE=manager-1 bro %INPUT
+# @TEST-EXEC: sleep 1
+# @TEST-EXEC: btest-bg-run worker-1  BROPATH=$BROPATH:.. CLUSTER_NODE=worker-1 bro %INPUT
+# @TEST-EXEC: btest-bg-run worker-2  BROPATH=$BROPATH:.. CLUSTER_NODE=worker-2 bro %INPUT
+# @TEST-EXEC: btest-bg-wait 15
+
+# @TEST-EXEC: btest-diff manager-1/.stdout
+#
+@TEST-START-FILE cluster-layout.bro
+redef Cluster::nodes = {
+	["manager-1"] = [$node_type=Cluster::MANAGER, $ip=127.0.0.1, $p=37757/tcp, $workers=set("worker-1", "worker-2")],
+	["worker-1"]  = [$node_type=Cluster::WORKER,  $ip=127.0.0.1, $p=37760/tcp, $manager="manager-1", $interface="eth0"],
+	["worker-2"]  = [$node_type=Cluster::WORKER,  $ip=127.0.0.1, $p=37761/tcp, $manager="manager-1", $interface="eth1"],
+};
+@TEST-END-FILE
+
+redef Log::default_rotation_interval = 0secs;
+
+
+event bro_init() &priority=5
+	{
+	local r1: SumStats::Reducer = [$stream="test.metric", 
+	                               $apply=set(SumStats::TOPK)];
+	SumStats::create([$epoch=5secs,
+	                     $reducers=set(r1),
+	                     $epoch_finished(data: SumStats::ResultTable) = 
+	                     	{
+	                     	for ( key in data )
+	                     		{
+	                     		local r = data[key]["test.metric"];
+					
+					local s: vector of SumStats::Observation;
+					s = topk_get_top(r$topk, 5);
+				
+					print fmt("Top entries for key %s", key$str);
+					for ( element in s ) 
+						{
+						print fmt("Num: %d, count: %d, epsilon: %d", s[element]$num, topk_count(r$topk, s[element]), topk_epsilon(r$topk, s[element]));
+						}
+
+					terminate();
+	                     		}
+	                     	}
+		 ]);
+
+
+	}
+
+event remote_connection_closed(p: event_peer)
+	{
+	terminate();
+	}
+
+global ready_for_data: event();
+redef Cluster::manager2worker_events += /^ready_for_data$/;
+
+event ready_for_data()
+	{
+	const loop_v: vector of count = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100};
+
+
+	if ( Cluster::node == "worker-1" )
+		{
+
+		local a: count;
+		a = 0;
+
+		for ( i in loop_v ) 
+			{
+			a = a + 1;
+			for ( j in loop_v )
+				{
+				if ( i < j ) 
+					SumStats::observe("test.metric", [$str="counter"], [$num=a]);
+				}
+			}
+		
+
+		SumStats::observe("test.metric", [$str="two"], [$num=1]);
+		SumStats::observe("test.metric", [$str="two"], [$num=1]);
+		}
+	if ( Cluster::node == "worker-2" )
+		{
+		SumStats::observe("test.metric", [$str="two"], [$num=2]);
+		SumStats::observe("test.metric", [$str="two"], [$num=2]);
+		SumStats::observe("test.metric", [$str="two"], [$num=2]);
+		SumStats::observe("test.metric", [$str="two"], [$num=2]);
+		SumStats::observe("test.metric", [$str="two"], [$num=1]);
+
+		for ( i in loop_v )
+			{
+			SumStats::observe("test.metric", [$str="counter"], [$num=995]);
+			}
+		}
+	}
+
+@if ( Cluster::local_node_type() == Cluster::MANAGER )
+
+global peer_count = 0;
+event remote_connection_handshake_done(p: event_peer) &priority=-5
+	{
+	++peer_count;
+	if ( peer_count == 2 )
+		event ready_for_data();
+	}
+
+@endif
+