optimize the receive buffer size

Nathan Marz · Nathan Marz · commit 8db16341d2a1 · 2012-05-24T15:27:46.000-07:00
diff --git a/conf/defaults.yaml b/conf/defaults.yaml
@@ -87,7 +87,7 @@ topology.fall.back.on.java.serialization: true
 topology.worker.childopts: null
 topology.executor.receive.buffer.size: 8192 #batched
 topology.executor.send.buffer.size: 16384 #individual messages
-topology.receiver.buffer.size: 1 #individual messages
+topology.receiver.buffer.size: 8 # setting it too high causes a lot of problems (heartbeat thread gets starved, throughput plummets)
 topology.transfer.buffer.size: 32 # batched
 
 dev.zookeeper.path: "/tmp/dev-storm-zookeeper"
