Github user huaxingao commented on a diff in the pull request:
https://github.com/apache/spark/pull/11250#discussion_r53430913
--- Diff:
extras/kinesis-asl/src/test/scala/org/apache/spark/streaming/kinesis/KinesisStreamSuite.scala
---
@@ -241,13 +243,13 @@ abstract class KinesisStreamTests(aggregateTestData:
Boolean) extends KinesisFun
kinesisStream.foreachRDD((rdd: RDD[Array[Byte]], time: Time) => {
val kRdd = rdd.asInstanceOf[KinesisBackedBlockRDD[Array[Byte]]]
val data = rdd.map { bytes => new String(bytes).toInt
}.collect().toSeq
- collectedData(time) = (kRdd.arrayOfseqNumberRanges, data)
+ collectedData.put(time, (kRdd.arrayOfseqNumberRanges, data))
})
ssc.remember(Minutes(60)) // remember all the batches so that they are
all saved in checkpoint
ssc.start()
- def numBatchesWithData: Int = collectedData.count(_._2._2.nonEmpty)
+ def numBatchesWithData: Int =
collectedData.asScala.count(_._2._2.nonEmpty)
--- End diff --
@srowen
Thanks for your comment. For the 5 files I changed, I will remove the usage
of Java ConcurrentHashMap, and use mutable.HashMap instead. I will wrap every
mutable.HashMap operation in a synchronized block.
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