diff --git a/weed/filer2/filer_notify.go b/weed/filer2/filer_notify.go
index 28ade51cc..ecb488373 100644
--- a/weed/filer2/filer_notify.go
+++ b/weed/filer2/filer_notify.go
@@ -133,6 +133,7 @@ func ReadEachLogEntry(r io.Reader, sizeBuf []byte, ns int64, eachLogEntryFn func
 			return fmt.Errorf("size %d bytes, expected 4 bytes", n)
 		}
 		size := util.BytesToUint32(sizeBuf)
+		// println("entry size", size)
 		entryData := make([]byte, size)
 		n, err = r.Read(entryData)
 		if err != nil {
diff --git a/weed/messaging/broker/broker_grpc_server_publish.go b/weed/messaging/broker/broker_grpc_server_publish.go
index 985f708b5..b3a909a6c 100644
--- a/weed/messaging/broker/broker_grpc_server_publish.go
+++ b/weed/messaging/broker/broker_grpc_server_publish.go
@@ -22,7 +22,7 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
 
 	// TODO look it up
 	topicConfig := &messaging_pb.TopicConfiguration{
-		IsTransient: true,
+		// IsTransient: true,
 	}
 
 	// send init response
diff --git a/weed/messaging/broker/broker_grpc_server_subscribe.go b/weed/messaging/broker/broker_grpc_server_subscribe.go
index c5e033420..379063eed 100644
--- a/weed/messaging/broker/broker_grpc_server_subscribe.go
+++ b/weed/messaging/broker/broker_grpc_server_subscribe.go
@@ -34,7 +34,7 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
 
 	// TODO look it up
 	topicConfig := &messaging_pb.TopicConfiguration{
-		IsTransient: true,
+		// IsTransient: true,
 	}
 
 	if err = stream.Send(&messaging_pb.BrokerMessage{
@@ -79,7 +79,7 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
 			glog.Errorf("unexpected unmarshal messaging_pb.Message: %v", err)
 			return err
 		}
-		// fmt.Printf("sending : %d bytes\n", len(m.Value))
+		// fmt.Printf("sending : %d bytes ts %d\n", len(m.Value), logEntry.TsNs)
 		if err = eachMessageFn(m); err != nil {
 			glog.Errorf("sending %d bytes to %s: %s", len(m.Value), subscriberId, err)
 			return err
@@ -115,6 +115,7 @@ func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTim
 	startTsNs := startTime.UnixNano()
 
 	topicDir := fmt.Sprintf("/topics/%s/%s", tp.Namespace, tp.Topic)
+	partitionSuffix := fmt.Sprintf(".part%02d", tp.Partition)
 
 	return filer_pb.List(broker, topicDir, "", func(dayEntry *filer_pb.Entry, isLast bool) error {
 		dayDir := fmt.Sprintf("%s/%s", topicDir, dayEntry.Name)
@@ -124,7 +125,10 @@ func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTim
 					return nil
 				}
 			}
-			// println("processing", hourMinuteEntry.FullPath)
+			if !strings.HasSuffix(hourMinuteEntry.Name, partitionSuffix){
+				return nil
+			}
+			// println("partition", tp.Partition, "processing", dayDir, "/", hourMinuteEntry.Name)
 			chunkedFileReader := filer2.NewChunkStreamReader(broker, hourMinuteEntry.Chunks)
 			defer chunkedFileReader.Close()
 			if err := filer2.ReadEachLogEntry(chunkedFileReader, sizeBuf, startTsNs, eachLogEntryFn); err != nil {
diff --git a/weed/messaging/broker/topic_lock.go b/weed/messaging/broker/topic_lock.go
index d179537c9..f8a5aa171 100644
--- a/weed/messaging/broker/topic_lock.go
+++ b/weed/messaging/broker/topic_lock.go
@@ -42,7 +42,7 @@ func (locks *TopicLocks) buildLogBuffer(tl *TopicLock, tp TopicPartition, topicC
 	flushFn := func(startTime, stopTime time.Time, buf []byte) {
 
 		if topicConfig.IsTransient {
-			return
+			// return
 		}
 
 		// fmt.Printf("flushing with topic config %+v\n", topicConfig)
diff --git a/weed/util/log_buffer/log_buffer.go b/weed/util/log_buffer/log_buffer.go
index 69d663484..6ba7f3737 100644
--- a/weed/util/log_buffer/log_buffer.go
+++ b/weed/util/log_buffer/log_buffer.go
@@ -93,7 +93,7 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
 	copy(m.buf[m.pos+4:m.pos+4+size], logEntryData)
 	m.pos += size + 4
 
-	// fmt.Printf("entry size %d total %d count %d\n", size, m.pos, len(m.idx))
+	// fmt.Printf("entry size %d total %d count %d, buffer:%p\n", size, m.pos, len(m.idx), m)
 
 }
 
@@ -112,6 +112,7 @@ func (m *LogBuffer) Shutdown() {
 func (m *LogBuffer) loopFlush() {
 	for d := range m.flushChan {
 		if d != nil {
+			// fmt.Printf("flush [%v, %v] size %d\n", d.startTime, d.stopTime, len(d.data.Bytes()))
 			m.flushFn(d.startTime, d.stopTime, d.data.Bytes())
 			d.releaseMemory()
 		}
@@ -156,7 +157,12 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
 	m.RLock()
 	defer m.RUnlock()
 
-	// fmt.Printf("read from buffer: %v last stop time: %v\n", lastReadTime.UnixNano(), m.stopTime.UnixNano())
+	/*
+		fmt.Printf("read buffer %p: %v last stop time: [%v,%v], pos %d, entries:%d, prevBufs:%d\n", m, lastReadTime, m.startTime, m.stopTime, m.pos, len(m.idx), len(m.prevBuffers.buffers))
+		for i, prevBuf := range m.prevBuffers.buffers {
+			fmt.Printf("  prev %d : %s\n", i, prevBuf.String())
+		}
+	*/
 
 	if lastReadTime.Equal(m.stopTime) {
 		return nil
@@ -173,6 +179,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
 					// println("return the earliest in memory", buf.startTime.UnixNano())
 					return copiedBytes(buf.buf[:buf.size])
 				}
+				// println("return the", i, "th in memory", buf.startTime.UnixNano())
 				return copiedBytes(buf.buf[:buf.size])
 			}
 			if !buf.startTime.After(lastReadTime) && buf.stopTime.After(lastReadTime) {
@@ -181,6 +188,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
 				return copiedBytes(buf.buf[pos:buf.size])
 			}
 		}
+		// println("return the current buf", lastReadTime.UnixNano())
 		return copiedBytes(m.buf[:m.pos])
 	}