liuzqt commented on code in PR #38064:
URL: https://github.com/apache/spark/pull/38064#discussion_r1004839015
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core/src/main/scala/org/apache/spark/executor/Executor.scala:
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@@ -659,9 +659,10 @@ private[spark] class Executor(
val accumUpdates = task.collectAccumulatorUpdates()
val metricPeaks = metricsPoller.getTaskMetricPeaks(taskId)
// TODO: do not serialize value twice
- val directResult = new DirectTaskResult(valueBytes, accumUpdates,
metricPeaks)
- val serializedDirectResult = ser.serialize(directResult)
- val resultSize = serializedDirectResult.limit()
+ val directResult = new DirectTaskResult(valueByteBuffer, accumUpdates,
metricPeaks)
+ val serializedDirectResult =
SerializerHelper.serializeToChunkedBuffer(ser, directResult,
+ valueByteBuffer.size)
Review Comment:
Make senses, updated accordingly, thanks!
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