Re: Structured Streaming doesn't write checkpoint log when I use coalesce

2018-08-09 Thread Jungtaek Lim
Which version do you use? Above app works with Spark 2.3.1, 200 partitions are stored for State. val queryStatusFile = conf.queryStatusFile() val rateRowPerSecond = conf.rateRowPerSecond() val rateRampUpTimeSecond = conf.rateRampUpTimeSecond() val ss = SparkSession .builder(

Structured Streaming doesn't write checkpoint log when I use coalesce

2018-08-09 Thread WangXiaolong
Hi, Lately, I encountered a problem, when I was writing as structured streaming job to write things into opentsdb. The write-stream part looks something like outputDs .coalesce(14) .writeStream .outputMode("append") .trigger(Trigger.Processin