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Re: use kafka streams API aggregate ?

hi, Today I do it too. check your kafka version, then follow one of the guides below. http://spark.apache.org/docs/latest/streaming-kafka-0-8-integration.html http://spark.apache.org/docs/latest/streaming-kafka-0-10-integration.html

Re: jar file problem

You can use bin/spark-submit tool to submit you jar to the cluster. > 在 2017年10月19日，下午11:24，Uğur Sopaoğlu 写道： > > Hello, > > I have a very easy problem. How I run a spark job, I must copy jar file to > all worker nodes. Is there any way to do simple?. > > -- > Uğur

Re: Hive From Spark: Jdbc VS sparkContext

> 在 2017年10月4日，上午2:08，Nicolas Paris 写道： > > Hi > > I wonder the differences accessing HIVE tables in two different ways: > - with jdbc access > - with sparkContext > > I would say that jdbc is better since it uses HIVE that is based on > map-reduce / TEZ and then works on

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problem for submitting job

HI, I'm a junior user of spark from China. I have a problem about submit spark job right now. I want to submit job from code. In other words ,How to submit spark job from within java program to yarn cluster without using spark-submit I've learnt from official site