small fix to TagsToGroupID and batch timings

Author: nathanielc

batch.go

@@ -269,6 +269,7 @@ func (b *BatchNode) doQuery() error {
 			}
 			if err != nil {
 				b.logger.Println("E! failed to connect to InfluxDB:", err)
+				b.timer.Stop()
 				break
 			}
 			q := client.Query{
@@ -279,11 +280,13 @@ func (b *BatchNode) doQuery() error {
 			resp, err := con.Query(q)
 			if err != nil {
 				b.logger.Println("E! query failed:", err)
+				b.timer.Stop()
 				break
 			}
 
 			if err := resp.Error(); err != nil {
 				b.logger.Println("E! query failed:", err)
+				b.timer.Stop()
 				break
 			}
 

models/point.go

@@ -150,10 +150,10 @@ func TagsToGroupID(dims []string, tags map[string]string) GroupID {
 	}
 	var buf bytes.Buffer
 	for _, d := range dims {
-		buf.Write([]byte(d))
-		buf.Write([]byte("="))
-		buf.Write([]byte(tags[d]))
-		buf.Write([]byte(","))
+		buf.WriteString(d)
+		buf.WriteString("=")
+		buf.WriteString(tags[d])
+		buf.WriteString(",")
 	}
 	return GroupID(buf.Bytes())
 }