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https://issues.apache.org/jira/browse/SPARK-21206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fei Shao updated SPARK-21206:
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Attachment: screenshot-1.png
> the window slice of Dstream is wrong
> ------------------------------------
>
> Key: SPARK-21206
> URL: https://issues.apache.org/jira/browse/SPARK-21206
> Project: Spark
> Issue Type: Bug
> Components: DStreams
> Affects Versions: 2.1.0
> Reporter: Fei Shao
> Attachments: screenshot-1.png
>
>
> the code is :
> val conf = new SparkConf().setAppName("testDstream").setMaster("local[4]")
> val ssc = new StreamingContext(conf, Seconds(1))
> ssc.checkpoint( "path")
> val lines = ssc.socketTextStream("IP", PORT)
> lines.countByValueAndWindow( Seconds(2), Seconds(8)).foreachRDD( s => {
> println( "RDD ID IS : " + s.id)
> s.foreach( e => println("data is " + e._1 + " :" + e._2))
> println()
> })
> The result is wrong.
> I checked the log, it showed:
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Time 1498383086000 ms is valid
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Window time = 2000 ms
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Slide time = 8000 ms
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Zero time = 1498383078000 ms
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Current window =
> [1498383085000 ms, 1498383086000 ms]
> 17/06/25 17:31:26 DEBUG ReducedWindowedDStream: Previous window =
> [1498383077000 ms, 1498383078000 ms]
> 17/06/25 17:31:26 INFO ShuffledDStream: Slicing from 1498383077000 ms to
> 1498383084000 ms (aligned to 1498383077000 ms and 1498383084000 ms)
> 17/06/25 17:31:26 INFO ShuffledDStream: Time 1498383078000 ms is invalid as
> zeroTime is 1498383078000 ms , slideDuration is 1000 ms and difference is 0 ms
> 17/06/25 17:31:26 DEBUG ShuffledDStream: Time 1498383079000 ms is valid
> 17/06/25 17:31:26 DEBUG MappedDStream: Time 1498383079000 ms is valid
> the slice time is wrong.
> [BTW]: Team members,
> If it was a bug, please don't fix it.I try to fix it myself.Thanks:)
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