software/fluentd: Group data chunks by tag

software/fluentd/buildout.hash.cfg

@@ -14,7 +14,7 @@
 # not need these here).
 [instance-profile]
 filename = instance.cfg
-md5sum = bb542e2eecbb4c6d5e3b74c9e7ca66fc
+md5sum = bf8e758b475f4eccc72f93949a16d2c5
 
 [template-fluentd]
 filename = instance-fluentd.cfg

software/fluentd/instance.cfg

@@ -83,7 +83,7 @@ init =
       "  streamtool_uri %s\n"
       "  user %s\n"
       "  password %s\n"
-      "  <buffer>\n"
+      "  <buffer tag>\n"
       "    flush_mode interval\n"
       "    flush_interval 1m\n"
       "    @type file\n"