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From "Emrehan Tüzün" <emrehan.tu...@gmail.com>
Subject Re: Time is ugly in Spark Streaming....
Date Fri, 26 Jun 2015 22:57:02 GMT


On Fri, Jun 26, 2015 at 12:30 PM, Sea <261810726@qq.com> wrote:

> Hi, all
> I find a problem in spark streaming, when I use the time in function foreachRDD... I
find the time is very interesting.
> val messages = KafkaUtils.createDirectStream[String, String, StringDecoder, StringDecoder](ssc,
kafkaParams, topicsSet)
> dataStream.map(x => createGroup(x._2, dimensions)).groupByKey().foreachRDD((rdd, time)
=> {
>   try {
>     if (!rdd.partitions.isEmpty) {
>       rdd.foreachPartition(partition => {
>         handlePartition(partition, timeType, time, dimensions, outputTopic, brokerList)
>       })
>     }
>   } catch {
>     case e: Exception => e.printStackTrace()
>   }
> })
> val dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss")
> var date = dateFormat.format(new Date(time.milliseconds))
> Then I insert the 'date' into Kafka , but I found .....
> {"timestamp":"2015-06-00T16:50:02","status":"3","type":"1","waittime":"0","count":17}
> {"timestamp":"2015-06-26T16:51:13","status":"1","type":"1","waittime":"0","count":34}
> {"timestamp":"2015-06-00T16:50:02","status":"4","type":"0","waittime":"0","count":279}
> {"timestamp":"2015-06-26T16:52:00","status":"11","type":"1","waittime":"0","count":9}
> {"timestamp":"0020-06-26T16:50:36","status":"7","type":"0","waittime":"0","count":1722}
> {"timestamp":"2015-06-10T16:51:17","status":"0","type":"0","waittime":"0","count":2958}
> {"timestamp":"2015-06-26T16:52:00","status":"0","type":"1","waittime":"0","count":114}
> {"timestamp":"2015-06-10T16:51:17","status":"11","type":"0","waittime":"0","count":2066}
> {"timestamp":"2015-06-26T16:52:00","status":"1","type":"0","waittime":"0","count":1539}
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