srowen commented on a change in pull request #29836:
URL: https://github.com/apache/spark/pull/29836#discussion_r492687623
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File path:
streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala
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@@ -29,8 +28,8 @@ import org.apache.spark.util.Utils
final private[streaming] class DStreamGraph extends Serializable with Logging {
- private val inputStreams = new ArrayBuffer[InputDStream[_]]()
- private val outputStreams = new ArrayBuffer[DStream[_]]()
+ private var inputStreams = Array.empty[InputDStream[_]]
Review comment:
What about using mutable.Seq? does that also work?
This probably is OK to use an Array as setting the streams isn't called many
times though
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