import org.apache.spark.SparkConf import org.apache.spark.streaming.{Seconds, StreamingContext} import java.time.Instant val conf = new SparkConf().setMaster("local[2]").setAppName("NetworkWordCount") val ssc = new StreamingContext(conf, Seconds(1)) val lines = ssc.socketTextStream("localhost", 9999) val windowedWordCounts = lines.window(Seconds(4), Seconds(2)) windowedWordCounts.foreachRDD( (rdd, time) => { println(Instant.ofEpochMilli(time.milliseconds)) rdd } ) ssc.start() ssc.awaitTermination()
// spark打印时间 spark时间 bigint 2 string
打印结果:2021-11-08T01:10:14Z
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