diff --git a/benchmarks/map_test.go b/benchmarks/map_test.go
index 9baaba6e8..ee538e0f3 100644
--- a/benchmarks/map_test.go
+++ b/benchmarks/map_test.go
@@ -11,11 +11,11 @@ func BenchmarkSomething(b *testing.B) {
 	numChecks := 100000
 	keys := make([]string, numItems)
 	for i := 0; i < numItems; i++ {
-		keys[i] = RandStr(32)
+		keys[i] = RandStr(100)
 	}
 	txs := make([]string, numChecks)
 	for i := 0; i < numChecks; i++ {
-		txs[i] = RandStr(32)
+		txs[i] = RandStr(100)
 	}
 	b.StartTimer()
 
@@ -30,10 +30,5 @@ func BenchmarkSomething(b *testing.B) {
 				counter++
 			}
 		}
-		for _, tx := range txs {
-			if _, ok := foo[tx]; ok {
-				counter++
-			}
-		}
 	}
 }
diff --git a/benchmarks/simu/counter.go b/benchmarks/simu/counter.go
index 5f49eb9f4..8b0ba1801 100644
--- a/benchmarks/simu/counter.go
+++ b/benchmarks/simu/counter.go
@@ -40,15 +40,16 @@ func main() {
 		//txBytes := hex.EncodeToString(buf[:n])
 		request := rpctypes.NewRPCRequest("fakeid", "broadcast_tx", Arr(buf[:8]))
 		reqBytes := wire.JSONBytes(request)
-		fmt.Println("!!", string(reqBytes))
+		//fmt.Println("!!", string(reqBytes))
+		fmt.Print(".")
 		err := ws.WriteMessage(websocket.TextMessage, reqBytes)
 		if err != nil {
 			Exit(err.Error())
 		}
-		if i%100 == 0 {
+		if i%1000 == 0 {
 			fmt.Println(i)
 		}
-		time.Sleep(time.Millisecond * 10)
+		time.Sleep(time.Microsecond * 1)
 	}
 
 	ws.Stop()
diff --git a/consensus/reactor.go b/consensus/reactor.go
index b5de47ecd..a96790c7c 100644
--- a/consensus/reactor.go
+++ b/consensus/reactor.go
@@ -86,14 +86,16 @@ func (conR *ConsensusReactor) GetChannels() []*p2p.ChannelDescriptor {
 			SendQueueCapacity: 100,
 		},
 		&p2p.ChannelDescriptor{
-			ID:                DataChannel,
-			Priority:          5,
-			SendQueueCapacity: 2,
+			ID:                 DataChannel,
+			Priority:           2,
+			SendQueueCapacity:  50,
+			RecvBufferCapacity: 50 * 4096,
 		},
 		&p2p.ChannelDescriptor{
-			ID:                VoteChannel,
-			Priority:          5,
-			SendQueueCapacity: 40,
+			ID:                 VoteChannel,
+			Priority:           5,
+			SendQueueCapacity:  100,
+			RecvBufferCapacity: 100 * 100,
 		},
 	}
 }