FMX commented on code in PR #3158:
URL: https://github.com/apache/celeborn/pull/3158#discussion_r2011699248
##########
client/src/main/scala/org/apache/celeborn/client/commit/ReducePartitionCommitHandler.scala:
##########
@@ -337,14 +349,44 @@ class ReducePartitionCommitHandler(
shufflePushFailedBatches.getOrDefault(
shuffleId,
new util.HashMap[String, util.Set[PushFailedBatch]]()))
-
context.asInstanceOf[RemoteNettyRpcCallContext].nettyEnv.serialize(returnedMsg)
+
+ val serializedMsg =
+
context.asInstanceOf[RemoteNettyRpcCallContext].nettyEnv.serialize(returnedMsg)
+
+ if (getReducerFileGroupResponseBroadcastEnabled &&
+ serializedMsg.capacity() >=
getReducerFileGroupResponseBroadcastMiniSize) {
+ val broadcastMsg = broadcastGetReducerFileGroup(shuffleId,
returnedMsg)
Review Comment:
How much bandwidth can be saved for this RPC response? Maybe adding some
logs here can be helpful.
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