diff -ur carbon-0.9.9-orig/lib/carbon/instrumentation.py carbon-0.9.9/lib/carbon/instrumentation.py
--- carbon-0.9.9-orig/lib/carbon/instrumentation.py	2011-10-04 07:34:15.000000000 +0000
+++ carbon-0.9.9/lib/carbon/instrumentation.py	2011-11-03 00:22:55.814456624 +0000
@@ -100,6 +100,10 @@
            sum([b.size for b in BufferManager.buffers.values()]))
     record('aggregateDatapointsSent', myStats.get('aggregateDatapointsSent', 0))
 
+  # relay metrics
+  else:
+    record = relay_record
+
   # common metrics
   record('metricsReceived', myStats.get('metricsReceived', 0))
   record('cpuUsage', getCpuUsage())