Github user clockfly commented on a diff in the pull request:
https://github.com/apache/incubator-storm/pull/103#discussion_r12827309
--- Diff: conf/defaults.yaml ---
@@ -109,6 +112,15 @@ storm.messaging.netty.max_retries: 30
storm.messaging.netty.max_wait_ms: 1000
storm.messaging.netty.min_wait_ms: 100
+# If the Netty messaging layer is busy(netty internal buffer not
writable), the Netty client will try to batch message as more as possible up to
the size of storm.messaging.netty.transfer.batch.size bytes, otherwise it will
try to flush message as soon as possible to reduce latency.
+storm.messaging.netty.transfer.batch.size: 262144
+
+# If storm.messaging.netty.blocking is set to true, the Netty Client will
send messages in synchronized way, otherwise it will do it in async way. Set
storm.messaging.netty.blocking to false to improve the latency and throughput.
--- End diff --
fixed
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