我有火花流在Pyspark與「批量間隔」 = 30秒火花流
ssc = StreamingContext(sc, 30)
然後我想用窗口()函數用於獲取數據的最後一小時,並把每個30秒橫跨這個數據。
kvs = KafkaUtils.createDirectStream(ssc, [topic], {"metadata.broker.list": brokers})
counts = kvs.map(lambda (k, v): json.loads(v))\
.map(TransformInData).window(108000)
,我已經得到了一個錯誤
16/02/18 10:23:01 INFO JobScheduler: Added jobs for time 1455790980000 ms
16/02/18 10:23:30 INFO PythonTransformedDStream: Slicing from 1455683040000 ms to 1455791010000 ms (aligned to 1455683040000 ms and 1455791010000 ms)
16/02/18 10:23:30 INFO PythonTransformedDStream: Time 1455790650000 ms is invalid as zeroTime is 1455790650000 ms and slideDuration is 30000 ms and difference is 0 ms
16/02/18 10:23:31 INFO JobScheduler: Added jobs for time 1455791010000 ms
我已閱讀本https://groups.google.com/forum/#!topic/spark-users/GQoxJHAAtX4 ,但我不明白爲什麼它不工作
星火哪個版本是您使用添加
offset
? – sgvd1.6.0版本spark –
同樣問題:我認爲它是拋出「時間無效..」作爲'timeTime-ZeroTIme'(差異)isTimeValid()'方法是Dstream類的0,這意味着'時間=零時間'因此'time <= zeroTime'返回true,導致'isTimeValid'方法返回false返回上面的消息。 –