如何每天每5分钟分析一次uv,pv,ip,并存储Mysql。数据来自Kafka,格式如下:
Message sent: {"cookie":"a95f22eabc4fd4b580c011a3161a9d9d","ip":"125.119.144.252","event_time":"2017-08-07 10:50:16"}
Message sent: {"cookie":"6b67c8c700427dee7552f81f3228c927","ip":"202.109.201.181","event_time":"2017-08-07 10:50:26"}就像00:00-00:05 00:05--00:10等等,我使用:
val write=new JDBCSink()
val query=counts.writeStream.foreach(write).outputMode("complete")
.trigger(ProcessingTime("5 minutes"))
.start()但是当我在00:01提交它或者它崩溃时,我怎么能确定它不会像00:01-00:06那样进行分析呢?
发布于 2017-08-07 17:58:33
使用window函数:
query = counts.groupBy(window('event_time', '5 second')).agg()
query.writeStream.start()https://stackoverflow.com/questions/45540477
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